- Allison, Dorothy1
- Alvin Press Inc.1
- Amberg, Jeff18
- American Guild of Organists. Columbia Chapter1
- American News Company4
- American News Company. New York, N.Y.1
- Anderson, Richard1
- Andrews, W. J. (Welburn J.)1
- Andrieski, Ed2
- Andrieski, Edward30
- Arnold, Jim13
- Art Photo Greeting Company1
- Arthur & Moore1
- Artists Against AIDS (Columbia, S.C.)2
- Artvue Post Card Company2
- Asheville Post Card Company21
- Attributed to Milo Hoyt Berry (1819-1907)1
- Attributed to the Landrum/Stork Pottery1
- Baker, Perry39
- Ball, William, 1821-18911