- Allston, Joseph Waties, 1798-18341
- Allston, Mary1
- Allston, William1
- Alman & Co.1
- Alston, Anna E., 1860-19561
- Alston, Anna E., 1860-19571
- Alston, Anna E., 1860-19661
- Alston, Anna E., 1860-19691
- Alston, Anna E., 1860-19711
- Alston, Charles1
- Alston, Charles Pringle, 1829-19071
- Alston, Charles, 1796-18811
- Anderson Studio1
- Anderson, Richard O., Robertson, Alexander1
- Art Photo Greeting Co., Elizabeth, N.J.1
- Atkinson, Samuel T.1
- Atlantic Coast Lumber Company1
- Bache, A.D. (Alexander Dallas),1806-18671
- Bachrack Studios, New York, Philadelphia, Baltimore, Washington1
- Bacon, William, 1873-19081