- Alleghany Chapter, National Society of the Daughters of the American Revolution Records, 1890/20229
- Allen-Johnson Family Papers, 1838/19471
- Althea Hunt Papers, 1926/196111
- Alumni Association Records, 1833/2014, bulk 1950/200517
- Alumni Association Records, 1924/20163
- Alumni Association Records, 1950/20073
- Alvena V. Seckar, Author and Artist, Writings, Photographs, Scrapbooks, and Other Material, 1927/20053
- Alvin Duke Chandler Papers, 1896/1984, bulk 1950/19603
- Ambrose L. Snavely Papers, 1903/19523
- American Association of University Professors, College of William and Mary Chapter Records, 1924/1979, bulk 1924/19797
- American Association of University Women (AAUW) Records, Harrisonburg, Virginia Branch, 1929/20252
- American Political Items Collectors collection2
- American Public Transportation Association records, 1898/1999107
- Amos Koontz Papers II, 1865/197017
- Amélie Rives papers, 1930/19832