Encyclopedias, Almanacs, Transcripts, and Maps
- Alexis Charles Henri Maurice Clérel de Tocqueville
- Alexis I (Russia) (1629–1676; Ruled 1645–1676)
- Alexis Mikhailovich Romanov
- Alexius I Comnenus
- Alexius IV Angelus
- Alexius Ritter von Handschuchsheim Meinong
- Alfonso XIII (1886–1941)
- Alfred Edward Housman
- Alfred Emmanuel Smith
- Alfred Fuller
- Alfred Tennyson
- Alfred Thompson Denning
- Alfred-Glasgow Encounter
- Alfredo Cristiani
- Algerian War
- Alhadji Abubakar Imam
- Ali ibn al-Husayn al-Masudi
- Alice Eastwood
- Alice M. Rivlin
- Alien and Sedition Acts of 1798