Creator
- Althamer, Andreas, approximately 1500-1539.1
- Am. Hist. Art Publ. Co. (New York, N.Y.)1
- Ambrose, Henry1
- America Press (Chicago, Ill.)1
- American Art Post Card Co.1
- American Art Studio.1
- American Colortype Co.1
- American Life Insurance and Trust Company1
- American Medical Specialties Co.1
- American Photograph Co. (Columbus, Ohio)1
- American Studios.1
- Ammel, Daniel1
- Ammons, Ben.1
- Amtrak1
- An amateure.1
- Anderson Photo Company (Kansas City, Mo.)1
- Anderson, Doc.1
- Anderson, J. W.1
- Anderson, Martinus.1
- Anderson, R. L.1