Materia
- Economics 16
- Psychology 15
- Earth and Environmental Science: General Interest 14
- Language and Linguistics 14
- Life Sciences 14
- Anthropology 13
- Engineering 13
- History of Science: General Interest 13
- Geography 12
- Plant Sciences 11
- Physics And Astronomy 9
- Geomorphology and Physical Geography 8
- Statistics and Probability 8
- Archaeology 7
- Earth and Environmental Sciences 7
- General 7
- Genetics 7
- Management 7
- Cell Biology and Developmental Biology 6
- Mathematical Biology 6