- "More Than the Sum of Our Body Parts: An Exhibit by CARY, 1992-1993", 1934/20001
- A. J. Davis Family Collection, 1874/2007, bulk 1874/19071
- Agricultural Extension Service Records, 1914/19801
- Al Gross Papers, 1909/20005
- Albert L. Sturm Papers, 1904/19886
- Albert M. Brown Collection, 1930/19385
- Alberta Pfeiffer Architectural Collection, 1929/19765
- Alfred C. Payne Collection, 1917/200311
- Alfred W. Lawson Collection, 1913/19481
- Alleghany Chapter, National Society of the Daughters of the American Revolution Records, 1890/202215
- Ambrose L. Snavely Papers, 1903/19524
- Ann A. Hertzler Collection, 1863/2013, bulk 1974/20002
- Ann Eve Moss Papers, 1920/19903
- Anna P. Sokolina Architectural Collection, 1924/20193
- Anne H. Price Yates Papers, 1904/1985, bulk 1975/19852