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- A Treatise of the Faculties (2)
- A Woman’s Coffeehouse (14)
- A Woman’s Coffeehouse Collective (1)
- A Women’s Coffeehouse (4)
- A Women’s Coffeehouse Collective (1)
- A and D Optimal Oed (1)
- A. F. Moratz Company (Architect) (1)
- A. Moorman and Company (Architect) (7)
- A. Philip Randolph (1)
- Aagaard, George N., 1913 1997 (2)
- Aaker, Harriet (1)
- Aakre, R. B. (1)
- Aaronian (1)
- Aaup (1)
- Abacus (2)
- Abax Corporation (1)
- Abba (1)
- Abbado, Roberto (1)
- Abbe, Ernst C. (Ernst Cleveland), 1905 2000 (1)
