Materia
- Nineteenth-Century Philosophy 3
- Physics And Astronomy 3
- Politics and Policy 3
- Regional History after 1500 3
- Petroleum and Mining Geoscience 2
- African History 2
- American History: General Interest 2
- American Literature 2
- Ancient History 2
- Applied Geoscience 2
- Biochemistry 2
- British History: General Interest 2
- Early Republic and Antebellum History 2
- Education 2
- Eighteenth-Century Philosophy 2
- European History: General Interest 2
- European Literature 2
- History of Medicine 2
- History of Science and Technology 2
- History of Science: General Interest 2