Materia
- Applied Arts 2
- Applied Psychology 2
- Arabic and Middle Eastern Language and Linguistics 1
- Arbitration 1
- Archaeological Science 1
- Archaeological Theory and Methods 4
- Archaeology 7
- Archaeology of Europe and The Near and Middle East 3
- Archaeology of The Americas 1
- Architecture 2
- Area Studies 996
- Art 3
- Art: General Interest 2
- Artificial Intelligence and Natural Language Processing 1
- Arts 23
- Asian Studies 8
- Astronomy: General Interest 1
- Astrophysics 2
- Atmospheric Science and Meteorology 2
- Atomic Physics 1