Materia
- Russian and East European History 41
- Engineering 40
- Sociology 39
- European History 1000-1450 36
- Physics And Astronomy 36
- Language and Linguistics 32
- Earth and Environmental Sciences 31
- Economic History 30
- Twentieth Century European History 28
- Medicine 27
- Psychology 27
- Middle East History 25
- Historical Geography 24
- Computer Science 23
- Regional and World History: General Interest 22
- Diplomatic and International History 21
- Geography 19
- Middle East Studies 19
- Social and Cultural Anthropology 19
- Archaeology 18