- A. H. Hand Papers, 1835/20092
- A. Willis Robertson Papers, 1921/1988, bulk 1946/19663
- Adagio Press Collection, 1957/19936
- Adam Empie Papers, 1811/2004, bulk 1811/18503
- Adele Blow Chatfield-Taylor family papers, 1899/197723
- Albert E. Haak Scrapbook, 1947/19772
- Alfred R. Armstrong Papers, 1928/19761
- Aliquando Press Collection, 19681
- Alpha Phi Alpha Kappa Pi chapter records, 1972/20114
- Alumni Association Photograph Collection, 1960/2010, bulk 1970/19903
- Alumni Association Records, 1833/2014, bulk 1950/2005143
- Alumni Band Organization Records, 1986/2012, bulk 1986/20002
- Alvin Duke Chandler Papers, 1896/1984, bulk 1950/196011
- American Association of University Professors, College of William and Mary Chapter Records, 1924/1979, bulk 1924/197919
- American Legion Williamsburg Post #39 Records, 1967/19801