Materia
- Archaeology of The Americas 4
- Archaeology: General Interest 17
- Architecture 13
- Architecture and Distributed Computing 1
- Area Studies 126
- Art 23
- Art: General Interest 11
- Artificial Intelligence and Natural Language Processing 3
- Asian Language and Linguistics 7
- Asian Literature 6
- Asian Studies 111
- Astronomy: General Interest 8
- Astrophysics 16
- Atmospheric Science and Meteorology 10
- Atomic Physics 1
- Australian History 16
- Australian Politics 1
- Behavioral Sciences and Law 1
- Biblical Studies - New Testament 29
- Biblical Studies - Old Testament 7