- Antonakakis, Susana1
- Architectural League of New York1
- Armistead, Mary Frances1
- Association for Women in Architecture (U.S.)1
- Association for the Preservation of Virginia Antiquities (APVA) (1889-2009)1
- Association of Collegiate Scholars in Architecture1
- Atkins, Georgia (Skinnell), 1886-19681
- Atkins, John G., 1884-19451
- Avery, Howard S. (Howard Shaeffer), 1906-19962
- Babcock, H. O.1
- Bailey, Harold H. (Harold Harris), 1878-19621
- Bailey, Pattie Dobson Talley, b.18881
- Baker family1
- Banks family1
- Banks, (William) Andrew (1903-1945)1