- "Twenty-Five Years of FORTRAN" (Exhibit, 1957-1982) International Business Machines Corporation Collection, 19821
- A. Jane Duncombe Architectural Papers, 1952/20022
- Albert L. Sturm Papers, 1904/19885
- Alberta Pfeiffer Architectural Collection, 1929/19761
- Alfred C. Payne Collection, 1917/20034
- Alleghany Chapter, National Society of the Daughters of the American Revolution Records,, 1890/20225
- American Egg Board Collection, 1974/20042
- Andrea Maxine Lucas Architectural Collection, 1980/20031
- Ann A. Hertzler Collection, 1863/2013, bulk 1974/20005
- Anna P. Sokolina Architectural Collection, 1924/20194
- Anne Griswold Tyng Architectural Collection, 1969/19991
- Anne H. Price Yates Papers, 1904/1985, bulk 1975/19851
- Anne Price Yates Papers II, 1898/20052
- Arthur M. Squires Papers, 1888/1987, bulk 1940/19874
- Association for Women in Architecture Records, 1928/19922