updated :
Granular Thema
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UMPN.NET programming
9
UMKB2D graphics: games programming
2
UGK3D graphics and modelling
7
UMKC3D graphics: games programming
1
TDPT3D Printing
3
MNDAbdominal surgery
2
JMPAbnormal psychology
13
TNKAAccessibility in buildings and building design
1
MKPAccident and emergency medicine
1
MQCL1Accident and emergency nursing
1
KFCAccounting
14
KFCXAccounting: study and revision guides
17
TTAAcoustic and sound engineering
4
ATDCActing techniques
4
MKZRAddiction and therapy
6
LNDBAdministrative jurisdiction and public administration
1
LNDB1Administrative law, general
2
JNPAdult education, continuous learning
4
KJSAAdvertising
5
VSCAdvice on careers and achieving success
46
VSKAdvice on education
3
TRPAerospace and aviation technology
792
NHHAfrican history
3
NHHAAfrican history: pre-colonial
2
QDHPAfrican philosophy
10
JBSPAge groups and generations
10
JBSP1Age groups: children
1
UMFAgile programming
5
QRYA5Agnosticism and atheism
4
KCVDAgricultural and rural economics
3
TVDAgricultural engineering and machinery
1
LNKFAgricultural Law
3
TVBAgricultural science
2
TVAgriculture and farming
6
KNACAgriculture, agribusiness and food production industries
9
TVKAgronomy and crop production
5
JKSRAid and relief programmes
4
JWCMAir forces and warfare
1
WGMAircraft and aviation
4
PBFAlgebra
233
PBMWAlgebraic geometry
153
PBPDAlgebraic topology
42
UMBAlgorithms and data structures
50
KNBTAlternative and renewable energy industries
117
THVAlternative and renewable energy sources and technology
129
MKJDAlzheimer’s, dementia, Parkinson’s disease and other neurodegenerative diseases
60
MKAAnaesthetics
1
PBMSAnalytic geometry
4
PBPHAnalytic topology
1
PNFAnalytical chemistry
7
PHDDAnalytical mechanics
12
QDHR9Analytical philosophy and Logical Positivism
11
JPFBAnarchism
2
MFCAnatomy
11
DBSGAncient Greek and Roman literature
2
QDHAAncient Greek and Roman philosophy
37
QRSGAncient Greek religion and mythology
7
NHCAncient history
17
QRSAncient religions and Mythologies
2
NHWAAncient warfare
1
TVHBAnimal breeding
1
TVHAnimal husbandry
3
DNGAnimal life stories
1
MXNAnimal-assisted therapy
2
JBFUAnimals and society
20
ATFVAnimated films and animation
6
DNTAnthologies
1
JHMAnthropology
2
WCWAntiques, vintage and collectables: toys, games, dolls and models
1
TVHHApiculture (beekeeping)
1
KNDDApparel, garment and textile industries
2
UXApplied computing
1
RNCApplied ecology
3
PBWApplied mathematics
9
TTBApplied optics
27
PHVApplied physics
5
JMNApplied psychology
6
GPSFApplied research methods
1
LNAC5Arbitration, mediation and alternative dispute resolution
1
NKXArchaeological science, methodology and techniques
12
NKDSArchaeological sites
23
NKAArchaeological theory
1
NKArchaeology
8
NKDArchaeology by period
17
AMCDArchitectural details, components and motifs
1
AMCArchitectural structure and design
3
AMArchitecture
28
AMRArchitecture: interior design
2
AMDArchitecture: professional practice
2
AMGArchitecture: public, commercial and industrial buildings
1
AMNArchitecture: religious buildings
1
AMKArchitecture: residential and domestic buildings
3
GLPArchiving, preservation and digitization
6
RGBAArid zones, deserts
1
JPWSArmed conflict
11
JPSFArms negotiation and control
1
JWXFArms trade
2
AVLAArt music, orchestral and formal music
7
ABQArt: financial aspects
4
UYQDArtificial general intelligence (AGI)
29
UYQArtificial intelligence (AI)
1059
LNQHArtificial intelligence law and regulations
12
NHFAsian history
14
UYFLAssembly languages
3
VSPMAssertiveness, motivation, self-esteem and positive mental attitude
153
TTWAssistive technology
2
SFBCAssociation football (Soccer)
3
VXFAAstrology
2
TTDSAstronautics
941
PGTAstronomical charts and atlases
12
PGGAstronomical observation: observatories, equipment and methods
101
PGAstronomy, space and time
828
PHVBAstrophysics
100
PHVJAtmospheric physics
10
PHMAtomic and molecular physics
67
UYUAudio processing
2
MJPDAudiology and otology
9
KFCM1Auditing
3
UYWAugmented reality (AR)
2
NHMAustralasian and Pacific history
1
MKJAAutism Spectrum Disorder
17
DNBF1Autobiography: arts and entertainment
4
DNBAAutobiography: general
10
DNBM1Autobiography: philosophy and social sciences
3
DNBX1Autobiography: religious and spiritual
2
DNBT1Autobiography: science, technology and medicine
5
DNBG1Autobiography: social media
4
DNBS1Autobiography: sport
3
DNBL1Autobiography: writers
1
TJFMAutomatic control engineering
69
TRCSAutomotive (motor mechanic) skills
6
TRCAutomotive technology and trades
13
MKVBAviation and space medicine
4
TRPSAviation skills and piloting
18
KFFKBanking
20
KFFXBanking and finance: study and revision guides
3
LNPCBankruptcy and insolvency
1
SFMBasketball
3
THYBBattery technology
133
NKVBattlefield archaeology
2
PBTBBayesian inference
29
KCKBehavioural economics
10
MBNFBehavioural medicine
1
JMALBehaviourism, Behavioural theory
4
GLKBibliographic and subject control
1
WGDBicycles and non-motorised transport: general interest and maintenance
1
CFDMBilingualism and multilingualism
2
PNRD1Bio-catalysis
1
TCBiochemical engineering
7
PSBBiochemistry
294
RNCBBiodiversity
29
PSADBioethics
29
THVBBiofuels
12
DNBiography and non-fiction prose
4
DNBPBiography: adventurers and explorers
5
DNBFBiography: arts and entertainment
3
DNBBBiography: business and industry
11
DNBBiography: general
7
DNBHBiography: historical, political and military
76
DNBMBiography: philosophy and social sciences
19
DNBXBiography: religious and spiritual
7
DNBRBiography: royalty
24
DNBTBiography: science, technology and medicine
55
DNBSBiography: sport
4
DNBLBiography: writers
37
PSBiology, life sciences
18
MFGVBiomechanics, human kinetics
3
MQWBiomedical engineering
21
PHVNBiophysics
24
TCBSBiosensors
2
TCBBiotechnology
53
MBNH4Birth control, contraception, family planning
3
WDMGBoard, table top and strategy games
1
AKHBook design and Bookbinding
1
AGNBBotanical arts
1
PSTBotany and plant sciences
5
SRBBoxing
1
KJSCBrands and branding
3
TNCJBridges
11
QRFBuddhism
6
QRFPBuddhist life and practice
6
WBDBudget cookery
1
KJMV1Budgeting and financial management
2
TNKDBuilding and construction regulations, rules and codes
3
TNKBuilding construction and materials
20
TNKEBuilding physics and energy-efficient construction
15
TNKRBuilding redevelopment, retrofitting, refurbishment
4
JBFK4Bullying and harassment
4
MKPDBurns
3
KJBusiness and Management
19
KJBXBusiness and management: study and revision guides
1
KJJBusiness and the environment; sustainable approaches to business
30
UFBusiness applications
14
KJPBusiness communication, etiquette and presentation
8
KJFBusiness competition
2
KJGBusiness ethics and social responsibility
12
KJDBusiness innovation
21
KJNBusiness negotiation
5
KJMNBusiness process
2
KJCBusiness strategy
24
KJBBusiness studies: general
2
PBKACalculus
25
PBKCalculus and mathematical analysis
29
PBKQCalculus of variations
6
LNPDCapital markets and securities law and regulation
1
KCSACapitalism
8
WDMCCard games
9
MNHCardiothoracic surgery
8
MJDCardiovascular medicine
25
JKSLCare of people with specific needs
2
JKSGCare of the elderly
2
JNRCareers guidance
30
AFKCCarvings, masks, reliefs
3
PNRDCatalysis
4
JKVCCauses and prevention of crime
3
PSAN1Cellular and molecular neuroscience
18
PSFCellular biology (cytology)
110
MFGCCellular physiology
5
QRSTCeltic religion and mythology
2
JPQCentral
1
JPQBCentral
41
JPFKCentrist democratic ideologies and movements
1
TDCQCeramic and glass technology
5
AFPCeramics, mosaic and glass: artworks
1
VXPHChakras, auras and spiritual energy
1
PBWSChaos theory
7
JKSN1Charities, voluntary services and philanthropy
6
JWMCChemical and biological weapons
1
PSEChemical biology
5
PHVQChemical physics
11
KNDCChemical, biotechnology and pharmaceutical industries
9
PNChemistry
19
PNVChemistry of minerals, crystals and gems
5
MJCL2Chemotherapy
26
JBFK1Child abuse
3
VFXCChild care and upbringing: advice for parents
8
JKSB1Child welfare and youth services
2
JMCChild, developmental and lifespan psychology
19
DSYCChildren’s and teenage book reviews and guides
2
DSYChildren’s and teenage literature studies: general
1
VFDJChildren’s health
2
MXHChiropractic and osteopathy
1
QRMPChristian life and practice
1
QRMChristianity
3
PNFCChromatography
4
MKFKChronic diseases and conditions
1
KCSTCircular economic systems
7
ATXCCircus and circus skills
1
LNDACitizenship and nationality law
2
AMVDCity and town planning: architectural aspects
27
JPVCCivics and citizenship
8
LNDECivil and Public Servants law
1
TNCivil engineering, surveying and building
4
LNAC3Civil procedure: law of evidence
1
NHWR3Civil wars
16
VXFTClairvoyance and precognition
1
DDAClassic plays
1
PHDClassical mechanics
188
UTDClient–Server networking
1
RNPGClimate change
151
LNKCClimate law
5
RBPCClimatology and climate modelling
24
SZGClimbing and mountaineering
1
MKMClinical psychology
3
MBGR1Clinical trials
19
UTCCloud computing
21
RGBPCoasts and Coastlines
2
GPJCoding theory and cryptology
36
JMRCognition and cognitive psychology
105
PSAN5Cognitive and behavioural neuroscience
225
MKMT6Cognitive behavioural therapy
1
GTKCognitive studies
38
JMAQCognitivism, cognitive theory
2
NHTWCold wars and proxy conflicts
15
UFSCollaboration and group software
4
DNBZCollected biographies
1
WCFCollecting coins, banknotes, medals and other related items
1
PNRCColloid chemistry
3
NHTQColonialism and imperialism
12
AGZCColours and colour theory
4
PBVCombinatorics and graph theory
48
ATXDComedy and stand-up
5
AKLCComic book and cartoon artwork
2
GTCCommunication studies
26
TJKCommunications engineering
28
LNCKCompany and business offences
1
LNCDCompany law
1
LNCCompany, commercial and competition law: general
1
LAMComparative law
2
DSMComparative literature
23
JPBComparative politics
3
QRACComparative religion
1
JNTCCompetence development
2
LNCHCompetition law
15
UMCCompilers and interpreters
5
VXHComplementary therapies, healing and health
2
MXComplementary, integrated and alternative medicine and therapies
9
PBKDComplex analysis, complex variables
45
AVNComposers and songwriters
4
CFXComputational and corpus linguistics
6
PSAXComputational biology
76
PNRAComputational chemistry
2
KNTVComputer and video game industry
162
UXTComputer applications in industry and technology
12
UXJComputer applications in the social and behavioural sciences
1
UYFComputer architecture and logic design
101
UQComputer certification
10
UQTComputer certification: CLAiT
1
UQRComputer certification: CompTIA
2
UQFComputer certification: Microsoft
1
LNQEComputer crime, cybercrime
10
URHComputer fraud and hacking
217
AKLFComputer game art
11
UDXComputer games
492
UGGComputer games design
211
UKComputer hardware
5
UYMComputer modelling and simulation
21
UTComputer networking and communications
22
UMComputer programming
4
UYComputer science
43
URComputer security
597
UTFBComputer systems back-up and data recovery
1
URJComputer viruses, Trojans and worms
24
UYQVComputer vision
98
UGCComputer-aided design (CAD)
11
UComputing and Information Technology
6
PHFCCondensed matter physics (liquid state and solid state physics)
109
LNRVConfidential information law
1
MJCGCongenital diseases and disorders
7
ATXFConjuring and magic
3
TNKXConservation of buildings and building materials
5
RNKConservation of the environment
4
RNKHConservation of wildlife and habitats
19
ABCConservation, restoration and care of artworks
3
JPFTConservatism
5
JBGXConspiracy theories
45
LNDXConstitution
31
JPHCConstitution: government and the state
2
LNDConstitutional and administrative law: general
6
LNDC1Constitutional law and human rights
15
TNKPConstruction planning
3
KJLConsultancy
4
VSGConsumer advice
2
LNTUConsumer protection law
2
JBFSConsumerism
4
ATQTContemporary dance
1
FMWContemporary fantasy
1
FQContemporary lifestyle fiction
1
QRYMContemporary non-Christian and para-Christian cults and sects
2
LNCJContract law
3
JBFLControl, privacy and safety in society
8
WBCookery
1
WBTFCookery
1
VFJCoping with
1
VFJBCoping with
10
VFJB3Coping with
14
VFJB31Coping with
3
VFJB5Coping with
1
VFJB6Coping with
4
VFJB9Coping with
4
VFJDCoping with
1
VFJGCoping with
3
VFJHCoping with
1
VFJJCoping with
1
VFJKCoping with
3
VFJPCoping with
10
VFJQCoping with
5
VFJQ1Coping with
2
VFJQ3Coping with
3
VFJR1Coping with
4
VFJSCoping with
8
VFJVCoping with
2
VFJXCoping with
4
VFJB4Coping with heart conditions
2
LNRCCopyright law
2
JKVKCorporate crime
11
KFFHCorporate finance
12
KJRCorporate governance: role and responsibilities of boards and directors
3
JPZCorruption in politics, government and society
26
WJHCosmetics, hair and beauty
1
PGKCosmology and the universe
866
JNFCCounselling and care of students
16
JMFCouple and Family psychology
4
MQTCCreative therapy
4
CBVCreative writing and creative writing guides
17
KFFLCredit and credit institutions
2
JKVCrime and criminology
3
JKVFCriminal investigation and detection
25
LNFBCriminal justice law
3
LNFWCriminal law: corruption
2
LNFJ2Criminal law: Gender violence
1
LNFJ1Criminal law: Harassment and stalking
1
LNFJCriminal law: offences against the person
7
LNFCriminal law: procedure and offences
4
JMKCriminal or forensic psychology
6
LNFXCriminal procedure
6
LNFX31Criminal procedure: investigation and specific proceedings
1
LNFX3Criminal procedure: law of evidence
1
QDTS1Critical theory
6
QRVCCriticism and exegesis of sacred texts
4
JBCC7Cross-cultural
4
PHVSCryogenics
3
PNTCrystallography
8
VXPCCrystals and colour-healing
1
JBCCultural and media studies
1
VXHTCultural and regional medicines, health and healing techniques
3
LNYCultural heritage law
1
JBCC8Cultural policies and debates
4
JBCCCultural studies
6
JBCC6Cultural studies: customs and traditions
9
JBCC3Cultural studies: dress and society
2
JBCC4Cultural studies: food and society
9
JNDGCurriculum planning and development
14
KJSUCustomer services
1
GPFCCybernetics and systems theory
7
MFCCCytology
1
ATQDance
6
FMTDark fantasy
1
UNCData capture and analysis
4
URYData encryption
11
UNFData mining
6
LNQDData protection law
4
GPHData science and analysis
33
UNDData warehousing
1
UNADatabase design and theory
10
UMTDatabase programming
3
UNSDatabase software
2
UNDatabases
12
VFVGDating, relationships, living together and marriage: advice, topics and issues
4
GPQDecision theory: general
2
NHTR1Decolonisation and postcolonial studies
12
GTSDecolonisation of knowledge
34
LNJDDefamation law, slander and libel
5
KCSVDegrowth
16
QRMB5Denominations of American origin
2
MKEDentistry and related oral medicines
6
MKEHDentistry specialities
2
MJKDermatology
12
AKDesign, Industrial and commercial arts, illustration
7
UGDDesktop publishing
1
KCMDevelopment economics and emerging economies
55
GTPDevelopment studies
33
PSCDevelopmental biology
36
PSAN2Developmental neuroscience
9
QRVJ3Devotional material
1
CFFDDialect, slang and jargon
2
MBNH3Dietetics and nutrition
22
PBMPDifferential and Riemannian geometry
32
PBKJDifferential calculus and equations
71
VFDB1Digestive system: health and conditions
6
UBHDigital and information technologies: Health and safety aspects
2
UBLDigital and information technologies: Legal aspects
4
UBJDigital and information technologies: social and ethical aspects
668
UBDigital and Information technology: general topics
11
UXADigital Humanities
15
UDDigital Lifestyle and online world: consumer and user guides
8
KCVMDigital or internet economics
30
UYSDigital signal processing (DSP)
13
UDVDigital TV and media centres: consumer
1
UDQDigital video: consumer
3
UGVDigital video: professional
1
LNQDigital, IT and Communications law
8
AFKVDigital, video and new media arts
4
WNADinosaurs and the prehistoric world: general interest
36
JPSDDiplomacy
29
JBFMDisability: social aspects
21
PBDDiscrete mathematics
5
MJCDiseases and disorders
8
JBCT5Disinformation and misinformation
63
KJDDDisruptive innovation
11
UNKDDistributed ledger technology
9
UTRDistributed systems
6
KJMV9Distribution and logistics management
5
KJMV22Diversity, equality, equity and inclusion in the workplace
16
WKDDIY (Do it yourself): general guides and advice
1
MBDPDoctor
10
ATFRDocumentary films
20
WNGD1Dog obedience and training
1
JBFK3Domestic abuse
8
WNGDomestic animals and pets
1
KCCDDomestic or internal trade
1
VXNDreams and their interpretation
1
RNFDDrought and water supply
20
JBFN2Drugs and alcohol: social aspects
12
JKVGDrugs trade
3
PHDTDynamics and statics
72
FDBDystopian and utopian fiction
1
JNGEarly childhood care and education
3
RBEarth sciences
2
TNCEEarthquake engineering
16
QDHCEast Asian and Indian philosophy
26
MKZDEating disorders and therapy
2
PSAFEcological science, the Biosphere
27
KCHEconometrics and economic statistics
15
KCXEconomic and financial crises and disasters
28
KCJEconomic forecasting
6
RBGLEconomic geology
15
KCGEconomic growth
14
KCZEconomic history
10
KCSEconomic systems and structures
6
KCAEconomic theory and philosophy
34
KCEconomics
20
KCDEconomics of industrial organization
11
KCVEconomics of specific sectors
13
KEconomics, Finance, Business and Management
8
WNPBEdible wild plants and foraging
1
JNEducation
15
JNSVEducation of bilingual or multilingual students
1
JNDHEducation: examinations and assessment
30
JNFNEducation: relations with parents, communities or organisations
3
JNKEducational administration and organization
20
JNVEducational equipment and technology, computer-aided learning (CAL)
54
JNCEducational psychology
22
JNFEducational strategies and policy
17
JNFKEducational strategies and policy: inclusion
13
JNDEducational systems and structures
2
LNDSElection law
2
JPHFElections and referenda
26
TRVElectric vehicles
41
THRElectrical engineering
52
KNBLElectrical power generation and distribution industries
245
THRXElectrician skills and trades
14
PHKElectricity, electromagnetism and magnetism
233
PNRHElectrochemistry and magnetochemistry
13
TJFDElectronic devices and materials
175
AVLXElectronic music
1
TJFElectronics engineering
9
TJFCElectronics: circuits and components
164
MFGTElectrophysiology
5
PHDBElementary mechanics
33
UKMEmbedded systems
7
MFKC3Embryology
9
VSPQEmotions and emotional intelligence
8
GPSBEmpirical research methods
4
LNHEmployment and labour law: general
3
LNHXEmployment and labour law: procedure, dispute resolution
1
LNHUEmployment contracts
1
RNKH1Endangered species and extinction of species
2
MJGEndocrinology
21
PHDYEnergy
19
LNCREnergy and natural resources law
35
THYCEnergy efficiency
53
KNBEnergy industries and utilities
187
RNFYEnergy resources
52
THEnergy technology and engineering
8
THYEnergy, power generation, distribution and storage
299
TGMLEngineering applications of bio-materials
5
TGMMEngineering applications of electronic, magnetic, optical materials
8
TGMPEngineering applications of polymers and composites
5
TGMSEngineering applications of surface coatings and films
1
TBMMEngineering measurement and calibration
13
TGXEngineering skills and trades
1
TGMBEngineering thermodynamics
14
TBCEngineering: general
14
TGMFEngineering: Mechanics of fluids
19
TGMDEngineering: Mechanics of solids
24
TGBNEngines and power transmission
2
UFLEnterprise software
33
LNJEntertainment and media law
1
KJHEntrepreneurship
95
NKPEnvironmental archaeology
5
PNCEnvironmental chemistry
5
KCVGEnvironmental economics
84
MBNH2Environmental factors
49
LNKJEnvironmental law
6
RNFEnvironmental management
6
MKVEnvironmental medicine
5
TQDEnvironmental monitoring
2
RNDEnvironmental policy and protocols
192
TQEnvironmental science, engineering and technology
5
LNUEEnvironmental tax laws
2
RNAEnvironmentalist thought and ideology
76
RNBEnvironmentalist, conservationist and Green organizations
3
AMCREnvironmentally-friendly and sustainable architecture and design
10
FMBEpic fantasy
5
MBNSEpidemiology and Medical statistics
108
MZDHEquine veterinary medicine
4
TBDGErgonomics
1
JPSHEspionage and secret services
12
SXEeSports
20
DNLEssays
7
JBFVEthical issues, topics and debates
5
JBFV2Ethical issues: capital punishment
1
JBFV3Ethical issues: censorship
11
JBFV4Ethical issues: euthanasia and right to die
1
JBFV5Ethical issues: scientific, technological and medical developments
9
QDTQEthics and moral philosophy
43
JBSL1Ethnic groups and multicultural studies
3
JBSLEthnic studies
1
PSVPEthology and animal behaviour
25
PBMHEuclidean geometry
40
NHDEuropean history
21
NHDJEuropean history: medieval period, middle ages
4
NHDNEuropean history: Reformation
1
NHDLEuropean history: Renaissance
3
NHDAEuropean history: the Romans
8
NHDEEuropean history: the Vikings
4
PSAJEvolution
80
PSXEEvolutionary anthropology
43
MJADExamination of patients
2
VFMGExercise and workouts
9
AGCExhibition catalogues and specific collections
1
UYQEExpert systems
25
TTPExplosives technology and pyrotechnics
4
JNWExtra-curricular activities
3
KNATExtractive industries
10
SXQExtreme sports
1
JNLRFaith (religious) schools
1
LNMFamily law
2
JPFCFar-left political ideologies and movements
4
JPFQFar-right political ideologies and movements
16
KNSXFashion and beauty industries
2
AKTFashion and textile design
3
JBSF11Feminism and feminist theory
6
SRFFencing
1
TTBFFibre optics
3
FYFiction
1
FZFiction companion works
1
FYGFiction: continuations by another
2
FYVFiction: inspired by or adapted from other media
1
FYQFiction: special features: yaoi
1
ATFGFilm guides and reviews
87
ATFAFilm history, theory or criticism
24
ATFDFilm scripts and screenplays
5
KNTCFilm, TV and Radio industries
4
ATFNFilm: styles and genres
318
ATFXFilmmaking and production: technical and background skills
6
ATFFilms, cinema
9
KFFinance and accounting
1
KFFFinance and the finance industry
31
KFCFFinancial accounting
1
LNEAFinancial administration and public finance law
2
KFCRFinancial reporting, financial statements
1
LNPFFinancial services law and regulation
3
KFFFFinancial technology (fintech)
29
TNKFFire protection and safety
10
URQFirewalls
9
MQFFirst aid and paramedical services
1
NHWR5First World War
7
VFMFitness and diet
3
GTTFlags, emblems, symbols, logos
1
TNFLFlood control
3
ATQZFolk dancing
1
JBGBFolklore studies
6
TDCT2Food and beverage processing and engineering
9
TDCT1Food and beverage safety
1
TDCTFood and beverage technology
1
KNSBFood and drink service industries
1
PNDFood chemistry
2
RNFFFood security and supply
28
JBFH1Forced displacements, removals or population transfers
5
LNEBForeign economics and customs law
1
MKTForensic medicine
8
JKVF1Forensic science
6
TVRForestry and silviculture
3
RGBLForests and woodland
1
ABKForgery, falsification and theft of artworks
5
THFFossil fuel technologies
2
PBMXFractal geometry
7
LNFNFraud
3
LNDC4Freedom of expression law
7
LNDFFreedom of information law
2
PBKFFunctional analysis and transforms
26
UMJFunctional programming
1
JNKGFunding of education and student finance
8
KFFCFundraising, grants, donations
1
JBSP9Future generations
2
PBWXFuzzy set theory
2
PGMGalaxies and stars
286
WDPGambling: theories and methods
3
PBUDGame theory
12
UMKGames development and programming
35
THFGGas technology
1
MJHGastroenterology
8
MNGGastrointestinal and colorectal surgery
1
JBSFGender studies, gender groups
17
JBSF3Gender studies: ‘trans’, transgender people and gender variance
5
JBSF2Gender studies: men and boys
10
JBSF1Gender studies: women and girls
68
MKZVGene therapy
36
NHTGGenealogy, heraldry, names and honours
3
NHBGeneral and world history
4
WBAGeneral cookery and recipes
2
GTZGeneral studies and General knowledge
21
UYQFGenerative artificial intelligence
1023
TCBGGenetic engineering
47
PSAKGenetics (non-medical)
591
NHTZGenocide and ethnic cleansing
2
RBGKGeochemistry
3
RGRGeographical discovery and exploration
3
RGWGeographical information systems, geodata and remote sensing
4
RGGeography
1
RBGGeology, geomorphology and the lithosphere
19
PBMGeometry
11
RBGDGeomorphology and geological surface processes
11
PHVGGeophysics
32
JPSLGeopolitics
256
THVGGeothermal energy and power
33
MKNGeriatric medicine
12
VXQGGhosts and poltergeists
1
WZGGift and novelty books
3
VFLGiving up smoking
1
RGBUGlaciers and ice caps
10
GTQGlobalization
2
LNDHGovernment powers
12
CFKGrammar, syntax and morphology
5
AKCGraphic design
6
XQAYGraphic novel
1
XQCGraphic novel
1
XQGGraphic novel
1
XQHGraphic novel
1
XQKGraphic novel
2
XQLGraphic novel
1
XQLMGraphic novel
1
XQMGraphic novel
3
XQVGraphic novel
2
XRGraphic novel
1
AKLC1Graphic novel and Manga artwork
3
UGGraphical and digital media applications
2
UMLGraphics programming
4
PHDVGravity
24
KFFSGreen finance
51
JPFAGreen politics
9
TQPGreenhouse gas emissions technologies
15
KJSTGreenwashing and other forms of deceptive marketing
3
UKGGrid and parallel computing
1
PBGGroups and group theory
101
MKCGynaecology and obstetrics
13
MJFHaematology
20
TTVHHairdressing, salon and beauty therapy skills
1
KNXCHealth and safety in the workplace
8
WBHHealth and wholefood cookery
1
KCVJHealth economics
15
MBNH9Health psychology
15
MBPHealth systems and services
35
JBFNHealth, illness or addiction: social aspects
19
VFMDHealth: Diets and nutrition
20
THNHeat transfer processes
5
TNKHHeating, lighting, ventilation
16
MJJHepatology
40
MJCG1Hereditary diseases and disorders
18
JNMHigher education, tertiary education
215
TNHHighway and traffic engineering
8
QRDPHindu life and practice
4
QRDF2Hindu texts: Bhagavad Gita
3
QRDF1Hindu texts: Vedas, Upanishads
3
QRDHinduism
1
QRDFHinduism: sacred texts and revered writings
9
MFCHHistology
19
MKFHHistopathology
1
CFFHistorical and comparative linguistics
8
NHTB1Historical cross-cultural or intercultural interactions
9
NHTPHistorical geography
4
RBGFHistorical geology and palaeogeology
34
NHTP1Historical maps and atlases
4
NHAPHistorical research: source documents
2
NHAHHistoriography
30
NHHistory
9
AMXHistory of architecture
6
AGAHistory of art
15
UBBHistory of Computing, digital and information technologies
41
LNDC5History of constitution and comparative constitutional law
6
AKXHistory of design
1
JNBHistory of education
8
TBXHistory of engineering and technology
20
JBCC9History of ideas
16
PBXHistory of mathematics
25
MBXHistory of medicine
13
AVMHistory of music
6
NHQHistory of other geographical groupings and regions or specific cultures
8
ATYHistory of Performing Arts
1
QRAXHistory of religion
7
GTBHistory of scholarship (principally of social sciences and humanities)
5
PDXHistory of science
105
KJZHistory of specific companies
14
SCXHistory of sport
7
NHKHistory of the Americas
42
NHKAHistory of the Americas: pre-contacts
4
NHTFHistory: plagues, diseases, famines
7
NHTHistory: specific events and topics
20
NHAHistory: theory and methods
2
WDHHobbies
1
VFGHome nursing and caring
4
FKHorror, ghost stories and supernatural fiction
3
WNGHHorses and ponies: general interest
1
MJCJ3Hospital-acquired infections
2
KNSHospitality and service industries
1
KNSGHospitality, sports, leisure and tourism industries
4
TTVCHotel, hospitality and catering trades
2
WKHHousehold management and home hints
1
JBFDHousing and homelessness
20
PSXHuman biology
11
MJCJ4Human coronaviruses
8
RGCHuman geography
4
MFKHHuman growth and development
9
MFKHuman reproduction, growth and development
4
JPVHHuman rights, civil rights
35
UYZHuman–computer interaction
9
QRYAHumanist and secular alternatives to religion
1
QDHHHumanist philosophy
1
JMANHumanistic psychology
1
WHHumour
6
WHXHumour collections and anthologies
2
TNFHydraulic engineering
3
TGMF2Hydraulics
2
PSPHydrobiology
16
THDHydrogen technologies
50
RBKHydrology and the hydrosphere
9
THVHHydropower
20
MBNH1Hygiene
2
QDHR1Idealism
2
UYTImage processing
12
TTBMImaging systems and technology
17
LNDA1Immigration law
4
MJCMImmunology
75
PDRImpact of science and technology on society
93
LNSDIndigenous land rights
2
JPNIndigenous people: governance and politics
5
JBSL11Indigenous peoples
7
ATCIndividual actors and performers
1
AMBIndividual architects and architectural firms
23
AGBIndividual artists, art monographs
27
AKBIndividual designers or design groups
5
ATFBIndividual film directors, film-makers
26
WDMIndoor games
1
PDGIndustrial applications of scientific research and technological innovation
44
KNXNIndustrial arbitration and negotiation
2
NKTIndustrial archaeology
1
TDCIndustrial chemistry and chemical engineering
3
TDIndustrial chemistry and manufacturing technologies
1
JNRVIndustrial or vocational training
12
TGPQIndustrial quality control
3
KNXIndustrial relations, occupational health and safety
2
NHTKIndustrialisation and industrial history
8
KNIndustry and industrial studies
2
MJCJInfectious and contagious diseases
50
MFKC1Infertility and fertilization
4
UYZMInformation architecture
2
UNHInformation retrieval
5
GLCAInformation retrieval and access
9
KNTXInformation technology industries
127
LNQTInformation technology law
13
GPFInformation theory
14
UYZFInformation visualization
11
JWDInformation warfare
25
LNAC16Injunctions and other orders
1
PNKInorganic chemistry
7
PSVA2Insects (entomology)
5
GTVInstitutions and learned societies: general
31
TBMInstruments and instrumentation
1
KFFNInsurance and actuarial studies
7
LNPNInsurance law
1
PBKLIntegral calculus and equations
18
UFBIntegrated software packages
6
LNRIntellectual property law
6
TRTIntelligent and automated transport system technology
4
MKPLIntensive care medicine
7
GTInterdisciplinary studies
12
QRAFInterfaith relations
2
VFVXIntergenerational relationships: advice, topics and issues
1
KJKInternational business
1
KCLInternational economics
15
JPSNInternational institutions
23
LBDAInternational law, transport: space and aerospace law
3
LBHTInternational law: arbitration
2
LBHGInternational law: courts and procedures
7
LBJInternational law: intellectual property
4
LBHInternational law: international disputes and civil procedure
2
JPSInternational relations
21
LNUXInternational taxation law
1
KCLTInternational trade and commerce
42
ATNInternet and digital media: arts and performance
49
UDBRInternet browsers
6
UDBGInternet gambling
7
UDBInternet guides and online services
11
UDBDInternet searching
1
UBWInternet: general works
14
JMHCInterpersonal communication and skills
11
DNPBInterviews
31
NHTTInvasion, conquest and occupation
1
TBYInventions and inventors
9
KFFMInvestment and securities
104
QRPIslam
8
QRPB4Islamic groups: Sufis
1
QRPPIslamic life and practice
1
KJMV3IT and information systems management
33
VSCBJob hunting
18
SRMKJu-jitsu
1
LNDMJudicial review
6
LAJurisprudence and general issues
7
LNFYJury trials
1
JKVQ2Juvenile offenders
1
KCVPKnowledge
8
KJMKKnowledge management
3
KCFLabour
79
LNHJLabour rules violations and penalties
1
JMAF1Lacanian psychoanalysis
8
LNSHLand and real estate law
2
JWCDLand forces and warfare
1
NKLLandscape archaeology
2
AMVLandscape architecture and design
10
CFDCLanguage acquisition
10
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8
CJBGLanguage learning: grammar, vocabulary and pronunciation
5
CJCRLanguage learning: reading skills
2
CJCKLanguage learning: speaking skills
3
CJCWLanguage learning: writing skills
2
CJBTLanguage self-study
3
CJLanguage teaching and learning
4
CJBLanguage teaching and learning material and coursework
1
CJADLanguage teaching and learning: second or additional languages
2
CBXLanguage: history and general works
8
CBLanguage: reference and general
1
CBMLanguages: revitalisation
2
PHJLLaser physics
42
TTBLLaser technology and holography
17
LLaw
2
LAQGLaw and society, gender issues
2
LAQLaw and society, sociology of law
8
LNTSLaw and the elderly
1
LNDB8Law of science and research, university college law
1
LNVLaw of torts, damages and compensation
2
LNDCLaw: Human rights and civil liberties
6
LNWLaw: wills, probate, succession, inheritance
1
LNLaws of specific jurisdictions and specific areas of law
2
JPFFLeft-of-centre democratic ideologies and movements
2
LATCLegal ethics and professional conduct
4
LAZLegal history
5
LABNLegal pluralism
1
LATLegal profession
6
LASDLegal skills: advocacy
4
LASKLegal skills: negotiating and interviewing
1
LNACLegal systems: civil procedure, litigation and dispute resolution
6
LNAALegal systems: courts and procedures
3
LNAA1Legal systems: judges and judicial powers
4
LNAA2Legal systems: law of contempt
2
LAPLegal technology
5
CFMLexicography
3
JBSJLGBTQIA+ Studies
5
JPFLLibertarianism and libertarian ideologies and movements
1
GLLibrary and information sciences
4
GLCLibrary, archive and information management
1
LNTXLicensing, gaming and club law
1
PSALife sciences: general issues
19
WJLifestyle and personal style guides
1
WLifestyle, Hobbies and Leisure
1
RBKFLimnology (inland waters)
3
PBUHLinear programming
6
CFLinguistics
8
ULJLLinux
5
CFCLiteracy (Theories of reading and writing)
1
DSRCLiterary companions, book reviews and guides
24
DSRLiterary reference works
3
DSBBLiterary studies: ancient, classical and medieval
13
DSBCLiterary studies: c 1400 to c 1600
1
DSBDLiterary studies: c 1600 to c 1800
1
DSBFLiterary studies: c 1800 to c 1900
1
DSBHLiterary studies: c 1900 to c 2000
6
DSKLiterary studies: fiction, novelists and prose writers
62
DSBJLiterary studies: from c 2000
1
DSBLiterary studies: general
11
DSGLiterary studies: plays and playwrights
7
DSCLiterary studies: poetry and poets
42
DSBH5Literary studies: postcolonial literature
4
DSALiterary theory
22
DSLiterature: history and criticism
4
LNDULocal government law
1
WQHLocal history
2
PHFBLow temperature physics
8
UYQMMachine learning
849
KCBMacroeconomics
21
FMMMagical realism
2
PNFRMagnetic resonance
5
QRFB2Mahayana Buddhism
1
UBMMaker and hacker culture
11
LNDB6Making of rules and administrative acts
1
KFCMManagement accounting, bookkeeping and auditing
2
KJMManagement and management techniques
7
KJMDManagement decision making
6
KJMV4Management of assets: real estate, property and plant
1
KJMVManagement of specific areas
1
KJMBManagement: leadership and motivation
34
XAMManga and other East Asian style
1
KNDManufacturing industries
2
PSPMMarine biology
16
TTSMarine engineering
14
TRLTMaritime and nautical trades
9
NHTMMaritime history
19
NHTM1Maritime history: Pirates
1
KJSMMarket research
1
SRMMartial arts
1
PHFMaterials
7
AMCMMaterials in architecture
2
TGMMaterials science
45
MKCMMaterno-foetal medicine
34
PHUMathematical
127
UFMMathematical and statistical software
15
PBCMathematical foundations
6
PBCDMathematical logic
99
PBWHMathematical modelling
51
UYAMathematical theory of computation
185
PBMathematics
71
UYAMMaths for computer scientists
8
PDEMaths for scientists
3
MFKH3Maturation and ageing
59
TGBMechanical engineering
9
TGMechanical engineering and materials
1
TTGMechatronics
2
JBCTMedia studies
20
JBCT3Media studies: advertising and society
3
JBCT1Media studies: internet, digital media and society
46
JBCT4Media studies: journalism
75
JBCT2Media studies: TV and society
2
KNTMedia, entertainment, information and communication industries
6
MBPMMedical administration and management
18
MBFMedical and health informatics
55
LNTMMedical and healthcare law
1
MJAMedical diagnosis
3
MBGMedical equipment, devices and techniques
5
MBDCMedical ethics and professional conduct
4
MFNMedical genetics
154
MRPMedical guidelines
1
MKSMedical imaging
20
MKSGMedical imaging: nuclear magnetic resonance (NMR
4
MKSHMedical imaging: radiology
5
MKSJMedical imaging: tomography
5
MKSFMedical imaging: ultrasonics
4
MBPRMedical insurance
5
MBGLMedical laboratory testing and techniques
20
MKFMMedical microbiology and virology
8
MKFPMedical parasitology
5
PHVDMedical physics
14
MBDMedical profession
4
MBGRMedical research
40
MBNCMedical screening
16
MBSMedical sociology
8
MRGMedical study, exam preparation and revision guides
7
MKGTMedical toxicology
5
PNBMedicinal chemistry
7
MBMedicine
15
MMedicine and Nursing
1
MJCM1Medicine: Allergies
4
MKFM1Medicine: Antimicrobial resistance (AMR)
11
MJGDMedicine: Diabetes
3
MJCJ2Medicine: HIV
11
MBQMedicolegal issues
3
QDHFMedieval Western philosophy
1
DNCMemoirs
7
VSPTMemory improvement and thinking techniques
4
VFDMMen’s health
2
VFDW2Menopause
1
VFDW1Menstruation
3
LNTM1Mental health law
2
MBPKMental health services
8
LNCD1Mergers and acquisitions law
1
PHFC2Mesoscopic physics
1
MFGMMetabolism
17
TDPMMetals technology
4
RBPMMeteorology
22
RBPMeteorology and climatology
8
LABMethods, theory and philosophy of law
10
PSGMicrobiology (non-medical)
49
KCCMicroeconomics
9
PDNDMicroscopy
16
ULDMicrosoft (Windows) operating systems
1
TJFNMicrowave technology
3
NHGMiddle Eastern history
2
MQDMidwifery
3
JBFHMigration, immigration and emigration
18
JWJMilitary administration
3
LNDKMilitary and defence law and civilian service law
3
JWKMilitary and defence strategy
33
TTMMilitary engineering
12
NHWMilitary history
1
NHWR9Military history: post-WW2 conflicts
14
JWTMilitary institutions
1
JWKFMilitary intelligence
12
JWMVMilitary vehicles and transport of air, land and sea
3
JWXVMilitary veterans
1
VXMind, body, spirit
1
VXMMind, body, spirit: meditation and visualization
5
VXAMind, body, spirit: thought and practice
3
VSPDMindfulness
15
VSZMMinimalist lifestyle
1
TTUMining technology and engineering
15
QRVK4Miracles, apparitions and religious phenomena
1
GBDMiscellanies and compendia
1
KCSDMixed economic systems
3
UMSMobile and handheld device programming
11
TJKT1Mobile phone technology
1
UDTMobile phones and smartphones: consumer
3
WDHBModel-making and construction
1
JBFJModern slavery
3
PSDMolecular biology
156
PSVA6Molluscs (malacology)
2
KCBMMonetary economics
71
KJVPMonopolies
2
JNAMMoral and social purpose of education
16
MQZMortuary practice
3
SMFCMotor rallying
1
JPTMunicipal
1
AFCMMurals and wall paintings
1
MJEMusculoskeletal medicine
7
GLZMuseology and heritage studies
16
AVMusic
6
AVSDMusic composition
2
KNTFMusic industry
2
AVLMMusic of film and stage
4
AVXMusic recording and reproduction
5
AVCMusic reviews and criticism
1
AVLMusic: styles and genres
1
AVRMusical instruments
1
AVPMusicians, singers, bands and groups
15
PSQMycology, fungi
6
VXQMMythical, legendary and supernatural beings, monsters and creatures
6
FNMMyths and Legends
7
PDTNanosciences
7
TBNNanotechnology
25
WBNNational and regional cuisine
1
NHTRNational liberation and independence
2
JPFNNationalism and nationalist ideologies and movements
13
UYXNatural computing
722
RNRNatural disasters
20
UYQLNatural language and machine translation
99
QRAB1Nature and existence of God and of the Divine
8
WNNature and the natural world: general interest
6
AGNNature in the arts
3
VXHFNature therapy
1
VXHNNaturopathy
1
JWCKNaval forces and warfare
3
TRLNNavigation and seamanship
2
JPSL1Neo-colonialism
4
MKDNNeonatal medicine
6
UTFNetwork management
6
UMRNetwork programming
2
UTNNetwork security
43
UTSNetworking packages
2
UTPNetworking standards and protocols
18
UYQNNeural networks and fuzzy systems
330
PSAN3Neuroimaging and neuroanatomy
9
MKJNeurology and clinical neurophysiology
52
PSANNeurosciences
105
MNNNeurosurgery
9
QRMF13New Testaments
1
KNTP2News media and journalism
17
JWXJNon-combatants
6
PBMLNon-Euclidean geometry
4
JPWHNon-governmental organizations (NGOs)
1
PBWRNonlinear science
15
PNRLNuclear chemistry, photochemistry and radiation
26
RNQNuclear issues
26
MKRNuclear medicine
66
PHNNuclear physics
95
THKNuclear power and engineering
172
JWMNNuclear weapons
14
AGHNNudes depicted in the arts
1
PBCNNumber systems
4
PBHNumber theory
179
PBKSNumerical analysis
30
MQCNursing
18
MQNursing and ancillary services
1
MQCANursing fundamentals and skills
3
MQCBNursing research and theory
2
MQCLNursing specialties
2
MKZFObesity: treatment and therapy
7
UMZWObject oriented software engineering
1
UMNObject-oriented programming (OOP)
12
FKWOccult fiction
1
QRYXOccult studies
1
JMJOccupational and industrial psychology
8
MKVPOccupational medicine
5
MQTOccupational therapy
2
RBKCOceanography (seas and oceans)
40
LNFG2Offences against land use and city planning, monument, land and environment protection
1
LNFG1Offences against the State, against public administration and the administration of justice
1
JKVQOffenders
1
SCBBOlympic and Paralympic games
1
MJCLOncology
113
KJSGOnline marketing
16
UDDOnline safety and behaviour
9
JNQOpen learning, distance education
7
ULJOpen source and other operating systems
1
AVLFOpera
2
ULOperating systems
5
KJTOperational research
1
MJQOphthalmology
19
PHJOptical physics
133
PBUOptimization
28
MQROptometry
7
NHTDOral history
10
GMOrality
1
TTMWOrdnance, weapons technology
20
PNNOrganic chemistry
63
TVGOrganic farming
1
KJUOrganizational theory and behaviour
10
JKVMOrganized crime
11
PNNDOrganometallic chemistry
2
ATXOther performing arts
4
SXOther sports and competitive activities
3
TTOther technologies and applied sciences
1
TTVOther vocational technologies and trades
4
JWXOther warfare and defence issues
3
MJPOtorhinolaryngology (ENT)
14
WKUOutdoor and recreational areas: design and maintenance
1
SZVOutdoor survival skills
2
MKDPaediatric medicine
6
MQCL3Paediatric nursing
3
ATXPPageants, parades, festivals
1
MKALPain and pain management
11
WFAPainting, drawing and art manuals
1
AFCPaintings and painting
3
CFLPalaeography
1
RBXPalaeontology
58
MKBPalliative medicine
32
JPFN2Pan-nationalism
5
UYFPParallel processing
24
JMXParapsychological studies
2
SCLParasport
1
VFXParenting, parenthood: advice, topics and issues
1
LNDPParliamentary and legislative practice
12
WHPParodies and spoofs: non-fiction
6
PHPParticle and high-energy physics
102
WJXParties, etiquette and entertaining
2
LNRDPatents law
4
MKFPathology
4
MBDSPatient safety
2
UYQPPattern recognition
2
UKPCPCs (IBM-compatible personal computers)
1
GTUPeace studies and conflict resolution
34
JKVPPenology and punishment
15
KFFPPensions
16
AFKPPerformance art
1
KJMV21Performance management
4
ATPerforming arts
1
ATMCPerforming arts genres: Comedy and humour
6
ATMNPerforming arts genres: Science fiction, fantasy and horror
3
ATTPerforming arts: costume
1
ATAPerforming arts: events
8
ATVPerforming arts: production, producing and business aspects
1
MNZPeri-operative care
1
PNAPeriodic table of the Elements
3
MBNHPersonal and public health
14
UKPPersonal computers
5
VSBPersonal finance
27
UDAPersonal organization software and apps
16
VFBPersonal safety
1
VSPPPersonality traits
1
KJMV2Personnel and human resources management
18
TVPPest control
7
THFPPetroleum technology
6
KNBPPetroleum, oil and gas industries
79
RBGGPetrology, petrography and mineralogy
9
TDCWPharmaceutical chemistry and technology
7
MKGPharmacology
45
MQPPharmacy
1
QDHR5Phenomenology and Existentialism
9
CFNPhilology
10
QDHPhilosophical traditions and schools of thought
6
QDPhilosophy
28
JNAPhilosophy and theory of education
12
CFAPhilosophy of language
13
PBBPhilosophy of mathematics
29
QDTMPhilosophy of mind
63
QRABPhilosophy of religion
4
PDAPhilosophy of science
136
QDTNPhilosophy: aesthetics
13
QDTKPhilosophy: epistemology and theory of knowledge
107
QDTLPhilosophy: logic
47
QDTJPhilosophy: metaphysics and ontology
38
CFHPhonetics, phonology
7
UGPPhoto and image editing
1
AJTPhotographic equipment and techniques: general
1
AJPhotography and photographs
3
AJCPPhotography: portraits and self-portraiture
1
AJTFPhotography: subject-specific techniques and principles
15
AJFPhotojournalism and documentary photography
7
PSPAPhycology (algae and seaweed)
4
PNRPhysical chemistry
65
RGBPhysical geography and topography
1
PNRRPhysical organic chemistry
6
PHPhysics
146
PHFGPhysics of gases
1
PHDFPhysics: Fluid mechanics
37
JMMPhysiological psychology, neuropsychology, biopsychology
23
MFGPhysiology
48
MQSPhysiotherapy
3
PSBDPhytochemistry
1
WBVS21Pizzas and pizza making
1
RGXPPlace names and gazetteers
4
WTMPlaces and peoples: general and pictorial works
1
RGBCPlains and grasslands
1
KCSGPlanned economic systems
1
LNKWPlanning law
1
PSTBPlant biology
22
PHFPPlasma physics
22
TDCPPlastics and polymers
1
DCPoetry
1
DCFPoetry
2
JKSW1Police and security services
4
JPWPolitical activism
9
JPWCPolitical campaigning and advertising
10
JPVPolitical control and freedoms
2
KCPPolitical economy
96
RGCPPolitical geography
2
WHBPolitical humour
12
JPFPolitical ideologies and movements
11
JPHLPolitical leaders and leadership
36
JPVRPolitical oppression and persecution
5
JPLPolitical parties and party platforms
15
JPAPolitical science and theory
20
JPHPolitical structure and processes
18
JPHTPolitical structures
1
JPHVPolitical structures
41
JPHXPolitical structures
13
JPPolitics and government
51
RNPPollution and threats to the environment
30
TQKPollution control
4
PNNPPolymer chemistry
5
PDZMPopular and recreational mathematics
61
WNXPopular astronomy and space
697
JBGPopular beliefs
2
JBCC1Popular culture
5
KCYPopular economics
7
VFDPopular medicine and health
13
VFDBPopular medicine and health: the human body
9
AVLPPopular music
3
QDXPopular philosophy
12
QDXBPopular philosophy: Meaning of life
22
VSPPopular psychology
62
PDZPopular science
282
JHBDPopulation and demography
13
JPFPPopulism
5
AGHFPortraits and self-portraiture in the arts
1
JMAPPositive psychology
12
AKLPPoster art
1
TVHPPoultry farming
1
JBFCPoverty and precarity
18
VSAPractical advice: Life hacks
1
UPPractical applications of information technology
1
QRVG3Practical theology
1
PBJPre-calculus
10
MFPre-clinical medicine: basic sciences
6
MZBPre-clinical veterinary medicine: basic sciences
1
VFXBPregnancy, birth and baby care: advice, topics and issues
2
UFGPresentation graphics software
3
JPWGPressure groups, protest movements and non-violent action
24
URDPrivacy and data protection
25
LBGPrivate international law
2
KFFTPrivate wealth management
1
PBTProbability and statistics
205
TDCXProcess engineering technology and techniques
13
LNCNProcurement law
1
AKPProduct design
1
TGPProduction and industrial engineering
34
UMXProgramming and scripting languages: general
88
UMAProgramming techniques
25
KJMPProject management
7
UFPProject management software
3
KFFRProperty and real estate
4
VFDM1Prostate health
4
MQWPProsthetics
3
LNKXProtection of historic buildings and cultural assets
1
QRMB3Protestantism and Protestant Churches
1
PSGNProtozoa
2
MKLDPsychiatric and mental disorders
15
MKLPsychiatry
6
VXPPsychic powers and psychic phenomena
1
JMAFPsychoanalytical and Freudian psychology
13
CFDPsycholinguistics and cognitive linguistics
6
JMBPsychological methodology
1
JMBTPsychological testing and measurement
12
JMAPsychological theory, systems, schools and viewpoints
17
JMPsychology
52
JMDPsychology of ageing
7
JMGPsychology of gender
5
JMQPsychology: emotions
22
JMUPsychology: sexual behaviour
2
JMTPsychology: states of consciousness
31
JMSPsychology: the self, ego, identity, personality
12
MKGWPsychopharmacology
35
MKMTPsychotherapy
5
MKMT3Psychotherapy: child and adolescent
2
MKMT5Psychotherapy: counselling
1
MKMT1Psychotherapy: therapies or techniques
10
JPPPublic administration
25
JPWBPublic affairs
6
AGTPublic art
2
KFFDPublic finance and taxation
40
MBNPublic health and preventive medicine
57
LNTJPublic health and safety law
3
LBBPublic international law
2
LBBM3Public international law, economic and trade: investment treaties and disputes
3
LBBR1Public international law, human rights: labour and social
1
LBBZPublic international law: criminal law
5
LBBMPublic international law: economic and trade
4
LBBM5Public international law: energy and natural resources
1
LBBPPublic international law: environment
3
LBBSPublic international law: humanitarian law
4
LBBUPublic international law: international organizations and institutions
2
LBBKPublic international law: law of the sea
3
LBBVPublic international law: responsibility of states and other entities
1
LNXPublic Law
1
JPWAPublic opinion and polls
3
KJSPPublic relations
3
KNTP1Publishing and book trade
1
KNTPPublishing industry and journalism
1
KJMV8Purchasing and supply management
5
GPSEQualitative research methods
11
KJMQQuality Assurance (QA) and Total Quality Management (TQM)
1
GPSDQuantitative research methods
17
PNRPQuantum and theoretical chemistry
11
PHQQuantum physics (quantum mechanics and quantum field theory)
698
JBFA1Racism and racial discrimination
23
ATLRadio
4
TJKRRadio technology
2
MJCL1Radiotherapy
5
TRFRailway technology, engineering and trades
10
TRFTRailway trades
1
PBKBReal analysis, real variables
36
GTFReception or Interpretation studies
2
GReference, Information and Interdisciplinary subjects
11
JBFGRefugees and political asylum
5
MKHRegenerative medicine
9
MKHCRegenerative medicine: stem cells
13
GTMRegional
7
KCVSRegional
12
MFCRRegional anatomy
6
RPRegional and area planning
6
RGLRegional geography
4
MFGGRegional physiology
23
JPRRegional, state and other local government
3
JPRBRegional, state and other local government policies
10
LNTM2Regulation of medicines and medical devices
3
LNDB7Regulation of public services
1
PDJRegulation of science and experimentation
4
LNCCRegulatory compliance
2
MQVRehabilitation
8
JKVQ1Rehabilitation of offenders
5
VXHKReiki and energy healing
3
UNARRelational databases
10
VFVRelationships and families: advice, topics and issues
3
VFVNRelationships: friends
1
PHRRelativity physics
272
TGPRReliability engineering
10
QRReligion and beliefs
1
QRAM2Religion and politics
19
QRAM3Religion and science
24
QRAReligion: general
3
AGRReligious and ceremonial arts
2
QRVS1Religious and spiritual figures
4
QRVP7Religious aspects of sexuality, gender and relationships
1
QRVP5Religious counselling
1
QRAM1Religious ethics
5
QRVP2Religious Festivals
2
QRVSReligious institutions and organizations
1
QRAM9Religious intolerance, persecution and conflict
3
QRAMReligious issues and debates
3
LNDGReligious law and concordats
1
QRVPReligious life and practice
3
QRVS3Religious ministry and clergy
2
QRVS4Religious mission and Religious Conversion
1
QRVQReligious sites
3
MJRRenal medicine and nephrology
8
DNPReportage, journalism or collected columns
65
MFKCReproductive medicine
2
WNGSReptiles and amphibians as pets
2
KJMV6Research and development management
7
GPResearch and information: general
1
GPSResearch methods
93
MJLRespiratory medicine
11
VFDB2Respiratory system: health and conditions
1
RNKH2Restoration ecology
13
KNPRetail and wholesale industries
7
VSRRetirement
1
JPWQRevolutionary groups and movements
3
NHTVRevolutions, uprisings, rebellions
16
MJMRheumatology
7
GPQDRisk assessment
6
RGBGRivers and lakes
1
TRCTRoad transport and haulage trades
9
TJFM1Robotics
260
WDHWRole-playing, war games and fantasy sports
12
SMXRollerblading, skateboarding, etc
2
QRSLRoman religion and mythology
1
FRSRomance: multiple partners
1
SPNLRowing and sculling
1
JBSCRural communities
3
RPGRural planning and policy
1
AVLKSacred and religious music
1
LNDLSafety and police law, regulatory and weapons law
1
KJSSales and marketing
33
KJMV7Sales and marketing management
31
TQSSanitary and municipal engineering
1
UFLSSAP (Systems, applications and products in databases)
9
TJKSSatellite communication technology
4
TTBSScanning systems and technology
3
FLScience fiction
4
FLUScience fiction: aliens
73
FLQScience fiction: apocalyptic and post-apocalyptic
17
FLJScience Fiction: cosy
4
FLRScience fiction: military
2
FLWScience fiction: space exploration
194
FLSScience fiction: space opera
33
FLGScience fiction: time travel
1
PDKScience funding and policy
64
PDScience: general issues
50
MBRSciences in medicine and healthcare
5
PDNScientific equipment, experiments and techniques
8
PDMScientific research
45
PDDScientific standards, measurement etc
2
CBVSScreenwriting techniques
4
AFKBSculpture
4
WNCS1Sea life and the seashore: general interest
10
NHWR7Second World War
37
JBSXSecret societies
1
TTVSSecurity, safety and protection skills
3
RBGBSedimentology and pedology
7
VSSelf-help, personal development and practical advice
13
VSZSelf-sufficiency and sustainable lifestyle(s)
2
CFGSemantics, discourse analysis, stylistics
28
GTDSemiotics
1
TJSSensors
7
PSAN4Sensory and motor systems
20
LNFX1Sentencing and punishment
1
UKFServers
2
KCVQService sector economics
1
PBCHSet theory
18
RGCUSettlement, urban and rural geography
3
JBFWSex and sexuality, social aspects
6
VFVCSex and sexuality: advice, topics and issues
6
JBFK2Sexual abuse and harassment
10
MJCJ1Sexually transmitted infections
4
TRLDShip design and naval architecture
12
TRLShipbuilding technology, engineering and trades
7
WGGDShips: Liners and other ocean-going vessels
1
FYBShort stories
3
CFZSign languages, Braille and other linguistic communication
5
TJKHSignal processing
27
AVSASinging: techniques
1
STAN2Ski jumping
1
NHTSSlavery, enslaved persons and abolition of slavery
26
QRSVSlavic religion and mythology
1
MKZSSleep disorders and therapy
4
KJVSSmall businesses and self-employment
10
TVMSmallholdings
1
JHMCSocial and cultural anthropology
13
NHTBSocial and cultural history
43
JBFSocial and ethical issues
26
QDTSSocial and political philosophy
55
JBFXSocial attitudes
12
JBSASocial classes
15
JBFASocial discrimination and social justice
8
JBFZSocial forecasting, future studies
20
RGCSSocial geography
1
JBSSocial groups, communities and identities
2
JBSWSocial groups: alternative lifestyles
1
JBSYSocial groups: clubs and societies
3
JBFFSocial impact of disasters
7
RNTSocial impact of environmental issues
41
LNTH1Social insurance law
1
UDBSSocial media
5
MBNDSocial medicine
16
JBFQSocial mobility
1
JNESocial pedagogy
2
JHBCSocial research and statistics
14
LNTHSocial security and welfare law
1
JHBASocial theory
7
JKSSocial welfare, social policy and social services
11
JKSNSocial work
2
JMHSocial, group or collective psychology
43
JBSociety and culture: general
2
JSociety and Social Sciences
5
CFBSociolinguistics
33
JHBSociology
10
JHSociology and anthropology
1
JHBZSociology: death and dying
4
JHBKSociology: family, kinship and relationships
6
JHBSSociology: sport and leisure
3
JHBLSociology: work and labour
6
PHFC1Soft matter physics
4
VSSSoft skills and dealing with other people
9
UMZSoftware Engineering
60
UMZTSoftware testing and verification
12
TNCCSoil and rock mechanics
4
TVBPSoil science and management
4
THVSSolar power
148
PGSSolar system: the Sun and planets
288
THFSSolid fuel technology
1
PNRSSolid state chemistry
1
TTDXSpace exploration
502
TTDSpace science
274
UYYSpatial computing
1
CBPSpeaking in public: advice and guides
18
JWCSSpecial and elite forces
2
NHWR1Specific battles
9
PNFSSpectrum analysis, spectrochemistry, mass spectrometry
13
MKZLSpeech and language disorders and therapy
12
UYQSSpeech recognition
8
DNSSpeeches
35
QRVKSpirituality and religious experience
7
SCGFSport science, physical education
6
SCSport: general
2
SCBVSporting venues
1
SSports and Active outdoor recreation
1
FGSports fiction
1
MKWSports injuries and medicine
2
SCBMSports management and facilities
3
SCGPSports psychology
10
SCGSports training and coaching
7
UFCSpreadsheet software
9
URWSpyware
3
WZSStationery items
1
PHSStatistical physics
47
PBWLStochastics
43
UKSStorage media and peripherals
7
RBGHStratigraphy
1
TNCStructural engineering
4
QDHR7Structuralism and Post-structuralism
10
VSKBStudent life
3
JNZStudy and learning skills: general
13
VFJX1Suicide: Coping with
1
UKCSupercomputers
7
PNRXSurface chemistry and adsorption
1
MNSurgery
3
MNKSurgical oncology
1
MNSSurgical orthopaedics and fractures
3
MNBSurgical techniques
2
VSYSurvivalism
3
RNUSustainability
45
TVFSustainable agriculture
18
UTESystem administration
2
QRVG2Systematic theology
1
UYDSystems analysis and design
12
SFTDTable tennis
1
SRMN1Tai Chi
1
KJVBTakeovers, mergers and buy-outs
5
LNUTaxation and duties law
4
LNUYTaxation procedure
1
TTXTaxidermy
1
JNMTTeacher training
18
JNUMTeachers’ classroom resources and material
2
JNUTeaching of a specific subject
28
JNSPTeaching of gifted or talented students
1
JNTSTeaching of reading, writing and numeracy
4
JNSTeaching of students with different educational needs
3
JNSGTeaching of students with learning difficulties or disorders
4
JNTTeaching skills and techniques
12
JNKHTeaching staff
8
TBDTechnical design
1
AVSTechniques of music
5
TBTechnology: general issues
9
MBGTTelemedicine
2
ATJTelevision
35
ATJXTelevision production: technical and background skills
3
ATJDTelevision screenplays, scripts and performances
3
ATJS1Television: reality shows
14
ATJSTelevision: styles and genres
20
JPWLTerrorism, armed struggle
7
TGMTTesting of materials
1
AFWTextile arts and artworks
2
TDPFTextiles and fibres
1
VXPRThe afterlife, reincarnation and past lives
3
AThe Arts
1
ABThe arts: general topics
8
AGZThe Arts: techniques and principles
2
WNDThe countryside, country life: general interest
1
WNWThe Earth: natural history: general interest
6
RNThe environment
8
NHTZ1The Holocaust
10
QRPF1The Koran (Qur’an)
1
AGThe visual, decorative or fine arts: treatments and subjects
1
ATDFTheatre direction and production
1
ATDTheatre studies
21
QRVGTheology
7
PGCTheoretical and mathematical astronomy
47
AMATheory of architecture
17
ABATheory of art
19
AVATheory of music and musicology
16
JWATheory of warfare and military science
2
MKZTherapy and therapeutics
5
PNRWThermochemistry and chemical thermodynamics
11
PHHThermodynamics and heat
25
TDPJTimber and wood processing
3
PGZTime (chronology), time systems and standards
39
KJMTTime management
11
QDTTopics in philosophy
1
PBPTopology
20
RGCTTourism geography
2
SHBTrack and field sports, athletics
1
KNXUTrade unions
6
LNRFTrademarks law
2
AVLTTraditional and folk music
3
WJYTraditional rituals and ceremonies
1
TTVRTraditional trades, crafts and skills
6
WGFTrains and railways: general interest
2
LNCGTransformation law, change of corporate form
8
CFPTranslation and language interpretation
6
MNQTransplant surgery
2
KNGTransport industries
5
RPTTransport planning and policy
14
TRTransport technology and trades
6
MKPBTrauma and shock
3
WTTravel and holiday
1
WTHTravel and holiday guides
2
WTHATravel guides: adventure holidays
2
WTHLTravel guides: cities
1
WTHYTravel guides: road travel
1
WTLTravel writing
5
WNPTrees, wildflowers and plants: general interest
1
TGBFTribology (friction and lubrication)
1
PBMBTrigonometry
6
WDKXTrivia and quiz questions
2
DNXCTrue crime
11
DNXC2True crime: cold cases
2
DNXTrue stories
5
DNXHTrue stories of discovery
12
DNXPTrue stories of heroism, endurance and survival
7
DNXRTrue stories of survival of abuse and injustice
1
DNXMTrue war and combat stories
2
VXQBUFOs and extraterrestrial beings
17
SPCAUnderwater (sub-aqua) swimming
1
NKRUnderwater archaeology
1
VXQUnexplained phenomena
4
RPCUrban and municipal planning and policy
45
AGTSUrban arts
3
JBSDUrban communities
6
TVUUrban farming
3
MJSUrology and urogenital medicine
6
CBGUsage and grammar guides
1
UYZGUser interface design and usability
12
MBNKVaccination
27
MNJVascular surgery
1
KNDRVehicle and transport manufacturing industries
6
WGCVVehicle maintenance and manuals
2
MZMPVeterinary bacteriology, virology, parasitology
5
MZVeterinary medicine
1
MZMVeterinary medicine: diseases and therapeutics
6
MZAVeterinary medicine: general
2
MZDVeterinary medicine: large animals
1
JKVVVictimology and victims of crime
1
AJTVVideo photography
1
JBFKViolence and abuse in society
9
NHTXViolence, intolerance and persecution in history
13
JKVNViolent crimes
1
UYVVirtual reality
3
UTVVirtualization
2
RBCVolcanology and seismology
24
SZCWalking, hiking, trekking
1
JWLWar and defence operations
5
JWXKWar crimes
2
JWWarfare and defence
2
RNHWaste management
15
TQSRWaste treatment and disposal
10
LNKPWater and wastewater law
1
KNBWWater industries
2
TQSWWater supply and treatment
6
PHDSWave mechanics (vibration and acoustics)
34
JWMWeapons and equipment
1
WNWMWeather and climate: general interest
2
UGBWeb graphics and design
13
UMWWeb programming
39
UMWSWeb services
2
VFMG2Weight
5
JKSBWelfare and benefit systems
8
KCVKWelfare economics
1
QDHRWestern philosophy from c 1800
17
QDHMWestern philosophy: Enlightenment
9
KNXHWhistleblowing
1
WNCSWildlife: aquatic creatures: general interest
1
WNCBWildlife: birds and birdwatching: general interest
1
WNCWildlife: general interest
1
WNCFWildlife: mammals: general interest
6
AVRNWind instruments
1
THVWWind power
22
VFDWWomen’s health
3
UFDWord processing software
1
JNRDWork experience, placements and internships
2
KJWXWorking patterns and practices
6
SCBCWorld Cups and World championships
2
QRVJ1Worship, rites, ceremonies and rituals
1
CBWWriting and editing guides
25
CFLAWriting systems, alphabets, scripts
4
QDHC2Yoga (as a philosophy)
1
QRFB23Zen Buddhism
1
PSVZoology and animal sciences
16
PSVFZoology: amphibians and reptiles (herpetology)
9
PSVJZoology: birds (ornithology)
3
PSVCZoology: fishes (ichthyology)
7
PSVAZoology: invertebrates
4
PSVMZoology: mammals (mammalogy)
6
PSVM2Zoology: marine and freshwater mammals
2
PSVM3Zoology: primates (primatology)
3