- Alexander, Dorothy Baxter1
- Almeida, Marília Sant'Anna de, 1948-1
- Alwood, William Bradford, 1859-19461
- American Institute of Architects1
- American Institute of Architects. Women in Architecture1
- Amiss family1
- Anderson, C. B., of Newbern, Va.2
- Angle, L. C., Jr.1
- Antonakakis, Susana1
- Architectural League of New York1
- Armistead, Mary Frances1
- Arthur W. Grove Family (Roanoke, Va)1
- Association for the Preservation of Virginia Antiquities (APVA) (1889-2009)1
- Association of Collegiate Scholars in Architecture1
- Atkins, Georgia (Skinnell), 1886-19681