Dictionaries, Thesauruses, Pictures, and Press Releases
- A House Divided (17 June 1858)
- A Letter from Wovoka (1890)
- A Personal Narrative of the Korean War (1950, by Bob Roy)
- A Pioneer Woman's Letter Home (c. 1856, by Elizabeth Stewart Warner)
- A Soldier's Account of the Spanish-American War (1898)
- A Soldier's Love Letter (8 June 1777, by Alexander Scammell)
- ABC Conference
- Abilene Trail
- Ableman v. Booth
- Abraham Lincoln Brigade
- Abscam Scandal
- Account of the Battle at Little Bighorn (Recalled in 1898 by Two Moon)
- Act for the Impartial Administration of Justice
- ACT UP
- Adamson Act
- Address of the Continental Congress to Inhabitants of Canada (29 May 1775)
- Address of the Southern Delegates
- Address on the Energy Crisis (15 July 1979)
- Address to President Lincoln by the Working-Men of Manchester, England (31 December 1862)
- Address to the Nation: Allied Military Action in the Persian Gulf (16 January 1991)