Subfield
- Education226
- Infectious Diseases176
- Political Science and International Relations166
- Safety Research128
- Law126
- General Agricultural and Biological Sciences98
- Linguistics and Language97
- Language and Linguistics88
- Gender Studies86
- Human Factors and Ergonomics86
- Agronomy and Crop Science83
- General Health Professions82
- Soil Science82
- Public Health, Environmental and Occupational Health81
- Parasitology72
- Developmental and Educational Psychology64
- Obstetrics and Gynecology59
- Accounting58
- Development58
- Pediatrics, Perinatology and Child Health55