U.S. History: Biographies
- Aaron Burr
- Abbott Lawrence
- Abigail Adams
- Abraham Lincoln
- Abraham Ruef
- Abram Stevens Hewitt
- Adam Clayton Powell Jr
- Adlai Ewing Stevenson (1900-1965)
- Al Capone
- Albert Bacon Fall
- Albert Gallatin
- Albert Gore Jr
- Albert Jeremiah Beveridge
- Albert Pike
- Albert Sidney Burleson
- Alexander Hamilton
- Alexander Hamilton Stephens
- Alexander James Dallas
- Alexander M. Haig
- Alexander Mitchell Palmer