Subfield
- Renewable Energy, Sustainability and the Environment19
- Economics and Econometrics18
- Insect Science18
- Computer Networks and Communications17
- Emergency Medical Services17
- Health Information Management17
- Management Science and Operations Research17
- Research and Theory16
- Applied Microbiology and Biotechnology15
- Civil and Structural Engineering15
- Theoretical Computer Science15
- Conservation14
- Horticulture14
- Media Technology14
- Occupational Therapy14
- Pharmacology14
- Pharmacy14
- Music13
- Neuropsychology and Physiological Psychology13
- Reproductive Medicine13