Name
- AEsopus, Phryx, floruisse creditur anno ante Christum circiter 5721
- AHQ, Aden, Mid 20th century1
- AHQ, Burma, Mid 20th century1
- AHQ, India, Mid 20th century2
- AHQ, Iraq, 1941-195523
- ALMO, Belgian stage rental firm and copyright agency, fl 1945-196111
- AMM, free improvisation group, 1965-1
- ANTONIUS, Monachus Hispanus, ordinis Minorum1
- ASLIB Microfilm Service, 1942-19451
- Aa, Christian Karel Hendrik van der3
- Aa, Jaques Hyacinthe van der1
- Aa, Pieter Boudewyn van der, fl 1700-17505
- Aa, Pieter van der, bookseller, of Leiden4
- Aa, Willemina van der1
- Aachen Cathedral1
- Aali Pasha, Turkish Minister of Foreign Affairs2
- Aaron Berechiah ben Moses, 1549-16394
- Aaron Berechiah of Modena1
- Aaron Emmanuel Suffrin1
- Aaron Israel ben Yedidiah Lattes of Cuni1