- Acme Newspictures (New York, N.Y.)1
- Acmegraph Company11
- Adams, John Kenneth.1
- Adams, John Quincy, 1767-18481
- Aerial Photography Services3
- African Methodist Episcopal Church. Council of Bishops.1
- Ahrens, Henry H.4
- Aimar, G.W.1
- Aivaliotis, Georgianna1
- Albertype Co., Brooklyn, N.Y1
- Albertype Company3
- Alcan1
- Alexander5
- Alford, W. D.1
- Alfred G. Trenholm1
- Alfred G. Trenholm (1874-1952)10
- Alfred G.Trenholm (1874-1952)1
- Alfred Glover Trenholm (1874-1952)1
- Alfred Glover Trenholm (1874-1952)4
- Alken, H.4