- Architect's Advisory Committee to the Public Housing Administration1
- Architects' Emergency Committee1
- Architectural League of New York1
- Arendt, Hannah, 1906-19751
- Armstrong, Hamilton Fish, 1893-19731
- Association of Collegiate Schools of Architecture1
- Auchincloss, Louis1
- Avery Architectural and Fine Arts Library1
- Aydelotte, Frank, 1880-19561
- Baker, Newton Diehl, 1871-19371
- Barnes, Joseph, 1907-19701
- Barr, Stringfellow, 1897-19821
- Barragán, Luis, 1902-19881
- Barzun, Jacques, 1907-20121
- Beard, Charles A (Charles Austin), 1874-19481
- Beebe, Lucius, 1902-19661
- Benton, Thomas Hart, 1889-19751
- Berle, A. A (Adolf Augustus), 1866-19601
- Berlin, Isaiah, 1909-19971
- Blake, Peter, 1920-20061