ACO. Acoustics
ACS. Automation & Control Systems
ADA. Agriculture, Dairy & Animal Science
AEN. Agricultural Engineering
AGE. Agricultural Economics & Policy
AGN. Agronomy
AMU. Agriculture, Multidisciplinary
BAM. Biotechnology & Applied Microbiology
BDC. Biodiversity Conservation
BHS. Behavioral Sciences
BIO. Biology
BIF. Bioinformatics
BMB. Biochemistry & Molecular Biology
BPH. Biophysics
CAI. Computer Science, Artificial Intelligence
CAN. Chemistry, Analytical
CAP. Chemistry, Applied
CBI. Cell Biology
CBT. Construction & Building Technology
CCY. Computer Science, Cybernetics
CHA. Computer Science, Hardware & Architecture
CIN. Chemistry, Inorganic & Nuclear
CIS. Computer Science, Information Systems
CMD. Chemistry, Medicinal
CMU. Chemistry, Multidisciplinary
COR. Chemistry, Organic
CPH. Chemistry, Physical
CSE. Computer Science, Software Engineering
CSI. Computer Science, Interdisciplinary Applications
CTM. Computer Science, Theory & Methods
CRY. Crystallography
DBI. Developmental Biology
EAR. Engineering, Aerospace
EAH. Engineering, Architectural
EBI. Engineering, Biomedical
ECH. Electrochemistry
ECO. Ecology
ECV. Engineering, Civil
EDM. Endocrinology & Metabolism
EDU. Education
EEE. Engineering, Electronic
EEV. Engineering, Environmental
EGL. Engineering, Geological
EID. Engineering, Industrial
ELE. Engineering, Electrical
EMF. Engineering, Manufacturing
EMM. Engineering, Management
EMG. Entomology
EMH. Engineering, Mechanical
EMR. Engineering, Marine
EMU. Engineering, Multidisciplinary
ENW. Engineering, Network 
ENC. Engineering, Chemical
ENF. Energy & Fuels
ENS. Environmental Sciences
EGR. Ergonomics
ETX. Engineering, Textile
EOC. Engineering, Ocean
EPT. Engineering, Petroleum
ERL. Engineering, Railway
EVB. Evolutionary Biology
FIN. Finance
FOR. Forestry
FSH. Fisheries
FST. Food Science & Technology
GCP. Geochemistry & Geophysics
GLG. Geology
GMU. Geosciences, Multidisciplinary
GNH. Genetics & Heredity
GPH. Geography, Physical
GSS. Green & Sustainable Science & Technology
HIS. History & Philosophy of Science
HOR. Horticulture
ICM. Integrative & Complementary Medicine
IIN. Instruments & Instrumentation
IMN. Immunology
IPT. Imaging Science & Photographic Technology
LGC. Logic
LIM. Limnology
MAP. Mathematics, Applied
MAR. Marketing
MAS. Meteorology & Atmospheric Sciences
MAT. Mathematics
MBI. Microbiology
MED. Medicine
MSB. Materials Science, Biomaterials
MCB. Mathematical & Computational Biology
MCM. Materials Science, Composites
MCR. Materials Science, Ceramics
MCF. Materials Science, Coatings & Films
MCT. Materials Science, Characterization & Testing
MEC. Mechanics
MIA. Mathematics, Interdisciplinary Applications
MME. Metallurgy & Metallurgical Engineering
MMP. Mining & Mineral Processing
MMU. Materials Science, Multidisciplinary
MNG. Mineralogy
MPW. Materials Science, Paper & Wood
MSC. Microscopy
MTX. Materials Science, Textiles
MUS. Multidisciplinary Sciences
NDB. Nutrition & Dietetics
NSC. Nanoscience & Nanotechnology
NST. Nuclear Science & Technology
NUM. Neuroimaging
OCR. Oceanography
ORM. Operations Research & Management Science
OPT. Optics
PAP. Physics, Applied
PCL. Psychology
PCM. Physics, Condensed Matter
PFP. Physics, Fluids & Plasmas
PHR. Pharmacology & Pharmacy
PLS. Polymer Science
PMC. Physics, Atomic, Molecular & Chemical
PMT. Physics, Mathematical
PMU. Physics, Multidisciplinary
PNU. Physics, Nuclear
PPF. Physics, Particles & Fields
PSC. Plant Sciences
PSY. Psychiatry
RMS. Remote Sensing
ROB. Robotics
RIO. Radiology
SBA. Substance Abuse
SFS. Safety Science
SOC. Sociology and Political Science
SPC. Spectroscopy
SPS. Sport Sciences
SSC. Soil Science
STP. Statistics & Probability
TEL. Telecommunications
THD. Thermodynamics
TLH. Tourism, Leisure and Hospitality Management
TOX. Toxicology
TRA. Transplantation
TST. Transportation Science & Technology
VIR. Virology
VSC. Veterinary Sciences
WRS. Water Resources
ZOO. Zoology