Subfield
- Education44
- Agronomy and Crop Science30
- Safety Research25
- Political Science and International Relations23
- Soil Science22
- Development14
- Gender Studies14
- Infectious Diseases14
- Developmental and Educational Psychology13
- General Agricultural and Biological Sciences12
- Anthropology11
- General Economics, Econometrics and Finance10
- Geography, Planning and Development10
- Language and Linguistics9
- Demography8
- Plant Science8
- Forestry7
- Horticulture7
- Management, Monitoring, Policy and Law7
- Pollution7