Materia
- Historical Geography 51
- Social and Population History 49
- European History after 1450 47
- African Studies 44
- Ancient History 42
- European Literature 42
- Political Theory 42
- Classical Literature 41
- British History 1066-1450 40
- English Language and Linguistics: General Interest 38
- Religion: General Interest 38
- English Literature 1830-1900 37
- American Government 35
- Political Philosophy 34
- Politics: General Interest 34
- Economic History 33
- Regional and World History: General Interest 33
- Classical Studies (General) 31
- Church History 30
- Renaissance and Early Modern Literature 30