| Field | Subject Category |
|---|---|
| Agriculture | Agricultural Sciences Environment/Ecology Plant & Animal Science |
| Engineering | Computer Science Engineering Materials Science |
| Life Sciences | Biology & Biochemistry Immunology Microbiology Molecular Biology & Genetics Neuroscience & Behavior Pharmacology & Toxicology |
| Medicine | Clinical Medicine Psychiatry |
| Natural Sciences | Chemistry Geosciences Mathematics Physics Space Science Psychology |
| Social Sciences | Economics & Business Social Sciences, General |
| Subfield | Subject Category |
|---|---|
| Agricultural Sciences | Agricultural Economics & Policy Agricultural Engineering Agriculture, Dairy & Animal Science Agriculture, Multidisciplinary Agriculture, Soil Science Agronomy Food Science & Technology Horticulture Nutrition & Dietetics |
| Environment/Ecology | Biodiversity Conservation Ecology Environmental Sciences Water Resources |
| Plant & Animal Science | Entomology Fisheries Forestry Marine & Freshwater Biology Mycology Ornithology Plant Sciences Veterinary Sciences Zoology |
| Subfield | Subject Category |
|---|---|
| Computer Science | Computer Science, Artificial Intelligence Computer Science, Cybernetics Computer Science, Hardware & Architecture Computer Science, Information Systems Computer Science, Interdisciplinary Applications Computer Science, Software Engineering Computer Science, Theory & Methods |
| Engineering | Automation & Control Systems Construction & Building Technology Energy & Fuels Engineering, Aerospace Engineering, Biomedical Engineering, Chemical Engineering, Civil Engineering, Electrical & Electronic Engineering, Environmental Engineering, Geological Engineering, Industrial Engineering, Manufacturing Engineering, Marine Engineering, Mechanical Engineering, Multidisciplinary Engineering, Ocean Engineering, Petroleum Green & Sustainable Science & Technology Instruments & Instrumentation Mechanics Mining & Mineral Processing Robotics Telecommunications Thermodynamics Transportation Transportation Science & Technology |
| Materials Science | Materials Science, Biomaterials Materials Science, Ceramics Materials Science, Characterization & Testing Materials Science, Coatings & Films Materials Science, Composites Materials Science, Multidisciplinary Materials Science, Paper & Wood Materials Science, Textiles Metallurgy & Metallurgical Engineering |
| Subfield | Subject Category |
|---|---|
| Biology & Biochemistry | Anatomy & Morphology Biochemical Research Methods Biology Biophysics Evolutionary Biology Mathematical & Computational Biology Parasitology Pathology Physiology Reproductive Biology |
| Immunology | Immunology Infectious Diseases Virology |
| Microbiology | Biotechnology & Applied Microbiology Microbiology Microscopy |
| Molecular Biology & Genetics | Biochemistry & Molecular Biology Cell Biology Developmental Biology Genetics & Heredity Cell & Tissue Engineering |
| Neuroscience & Behavior | Behavioral Sciences Neuroimaging Neurosciences |
| Pharmacology & Toxicology | Pharmacology & Pharmacy Substance Abuse Toxicology |
| Subfield | Subject Category |
|---|---|
| Clinical Medicine |
Allergy |
| Psychiatry | Psychiatry |
| Subfield | Subject Category |
|---|---|
| Chemistry | Chemistry, Analytical Chemistry, Applied Chemistry, Inorganic & Nuclear Chemistry, Medicinal Chemistry, Multidisciplinary Chemistry, Organic Chemistry, Physical Crystallography Electrochemistry Polymer Science Spectroscopy |
| Geosciences | Geochemistry & Geophysics Geography Geography, Physical Geology Geosciences, Multidisciplinary Imaging Science & Photographic Technology Limnology Meteorology & Atmospheric Sciences Mineralogy Oceanography Paleontology Remote Sensing Soil Science |
| Mathematics | Mathematics Mathematics, Applied Mathematics, Interdisciplinary Applications Statistics & Probability Logic |
| Physics | Acoustics Nanoscience & Nanotechnology Nuclear Science & Technology Optics Physics, Applied Physics, Atomic, Molecular & Chemical Physics, Condensed Matter Physics, Fluids & Plasmas Physics, Mathematical Physics, Multidisciplinary Physics, Nuclear Physics, Particles & Fields |
| Space Sciences | Astronomy & Astrophysics |
| Psychology | Psychology Psychology, Applied Psychology, Biological Psychology, Clinical Psychology, Developmental Psychology, Educational Psychology, Experimental Psychology, Mathematical Psychology, Multidisciplinary Psychology, Psychoanalysis Psychology, Social |
| Subfield | Subject Category |
|---|---|
| Economics & Business | Business Business, Finance Economics Industrial Relations & Labor Management Operations Research & Management Science |
| Social Sciences, General | Area Studies Asian Studies Communication Criminology & Penology Demography Development Studies Education & Educational Research Education, Scientific Disciplines Education, Special Environmental Studies Ergonomics Ethics Ethnic Studies Family Studies Film, Radio, Television Folklore Health Policy & Services Hospitality, Leisure, Sport & Tourism Information Science & Library Science International Relations Law Planning and Development Political Science Public Administration Public, Environmental & Occupational Health Regional & Urban Planning Social Issues Social Sciences, Biomedical Social Sciences, Interdisciplinary Social Sciences, Mathematical Methods Social Work Sociology Sport Sciences Urban Studies Women’s Studies |