Encyclopedias, Almanacs, Transcripts, and Maps
- Abu Muhammad Ali ibn Hazm
- Abu Yusuf Yakub al-Mansur
- Abu-I A'la Mawdūdī
- Abu-L-Ala al-Maarri
- Abu-Yusuf Yaqub ibn-Ishaq al-Kindi
- Abyssinian Baptist Church
- Academic and Professional Societies
- Academies of Science
- Academies, Learned
- Academies, Service
- Academy of Arts
- Academy of Sciences
- Accounting and Bookkeeping
- Aceh War
- Acevedo Diaz, Eduardo
- Achard de Bonvouloir et Loyauté, Julien Alexandre
- Acheson, Dean G.
- Achille Claude Debussy
- Acland, John Dyke
- Act to Encourage Immigration