Creator
- A La Vieille Russie (Firm)1
- A.G. Spalding & Bros1
- Aaron family1
- Abbit, John R.1
- Academy of Sciences and Fine Arts1
- Ackerson, John Thaddeus, 1898-19751
- Adams, Floride Harding, 1887-19651
- Adams, John N., Jr. (John Newton)1
- Adams, John Quincy, 1767-18481
- Adams, John, 1735-18261
- Adamston Flat Glass Company1
- Aison, Howard B. (Howard Bertram) (1920-1997)1
- Akers, Lilly & Ellison Families1
- Alan Wofsy Fine Arts1
- Albree, John1