Materia
- Applied Geoscience 16
- Applied Linguistics 17
- Applied Probability and Stochastic Networks 7
- Applied Psychology 21
- Arabic and Middle Eastern Language and Linguistics 11
- Arbitration 18
- Archaeological Science 6
- Archaeological Theory and Methods 28
- Archaeology 96
- Archaeology of Asia 11
- Archaeology of Europe and The Near and Middle East 61
- Archaeology of The Americas 16
- Archaeology: General Interest 57
- Architecture 50
- Architecture and Distributed Computing 4
- Area Studies 4395
- Art 138
- Art: General Interest 49
- Artificial Intelligence and Natural Language Processing 10
- Asia 8