Materia
- Regional and World History: General Interest 4
- American Literature 3
- Ancient Philosophy 3
- Botanical Reference 3
- Classical Studies (General) 3
- Condensed Matter Physics 3
- Ecology and Conservation 3
- Economics 3
- Educational Psychology 3
- English Language and Linguistics: General Interest 3
- European History 1000-1450 3
- European History after 1450 3
- Global History 3
- Historical Geography 3
- History of Mathematical Texts 3
- History of Philosophy 3
- International Economics 3
- Literary Theory 3
- Middle East History 3
- Nanoscience and Mesoscopic Physics 3