U.S. History: Biographies
- Alexander Spotswood
- Alexander William Doniphan
- Alfred Emanuel Smith
- Alfred M. Landon
- Alger Hiss
- Allan Bakke
- Allen Welsh Dulles
- Alton Brooks Parker
- alvar Nunez Cabeza de Vaca
- Ambrose Everett Burnside
- Ambrose Powell Hill
- Amos Kendall
- Andrew Hamilton (lawyer)
- Andrew Jackson
- Andrew Johnson
- Andrew Joseph Volstead
- Andrew Lewis
- Angela Yvonne Davis
- Ann Fudge
- Ann Willis Richards