- Alvena V. Seckar, Author and Artist, Writings, Photographs, Scrapbooks, and Other Material, 1927/20056
- Alvin Duke Chandler Papers, 1896/1984, bulk 1950/19602
- Ambrose L. Snavely Papers, 1903/19522
- American Association of University Professors (AAUP). James Madison University Chapter records, 1944/19882
- American Association of University Professors at UofR, 1947/20121
- American Association of University Professors, College of William and Mary Chapter Records, 1924/1979, bulk 1924/197910
- American Association of University Women (AAUW) Records, Harrisonburg, Virginia Branch, 1929/20253
- American Association of University Women, Norfolk Branch (AAUW) Records, 1902/20005
- American Political Items Collectors collection3
- American Public Transportation Association records, 1898/1999290
- American Theatre Association records1
- Amos Koontz Papers I, 1809/1965, bulk 1936/19652
- Amos Koontz Papers II, 1865/197033
- Amélie Rives papers, 1930/19832
- Anatole and Vladimir Kalichevsky Papers, 1871/19551