- American Flint Glass Workers Union Papers, 1878/19861
- American Flint Glass Workers Union, Archives, 1951/19751
- American Flint Glass Workers Union, Papers, 1894/19771
- Ami Hirata, Ceramicist, Papers, 1940/20191
- Ancella Bickley, Historian, Research Papers regarding African-Americans, 1775/2018, bulk 1970/2011137
- Andrew C. Lyons, Architect, Drawings for Buildings in Fairmont, West Virginia, 1890/2013, bulk 1890/19101
- Ann Magnuson, Performance Artist, Papers, 1973/20243
- Anna Moreland Diaries, 1900/19791
- Anna Schein, Collector, Feedsack Textile Bag Collection, 1925/19651
- Anna Shue Atkins Papers, 1918/20131
- Antonetta Cowsert, Social Worker and Musician, Scrapbook, 1942/20071
- Appalachian Prints Collection, 1839/2010, bulk 1859/19091
- Aristotle Smith Scrapbook, 1880/1987, bulk 1900/19101
- Arthur J. Ballard, Costume Artist and Curator, Papers, 1930/20151
- Arthur Jacknowitz Faculty Papers, 1954/201916