- Alston Gordon Dayton Papers, 1878/19201
- Amalgamated Association of Street and Electric Railway Employees of America, Division 103, Archives, 1899/19584
- American Flint Glass Workers Union Papers, 1878/19861
- American Flint Glass Workers Union, Papers, 1894/19771
- Ancella Bickley, Historian, Research Papers regarding African-Americans, 1775/2018, bulk 1970/201160
- Andrew C. Lyons, Architect, Drawings for Buildings in Fairmont, West Virginia, 1890/2013, bulk 1890/19102
- Andrew Delmar Hopkins (1857-1948) Papers, 1880/19121
- Andrew Delmar Hopkins Papers, 1787/19431
- Andrew Nelson Campbell (d.1919) Papers, 1861/19121
- Andrew Nelson Campbell Papers, 1854/19281
- Andrew Nelson Campbell, Civil War Veteran and Monroe County Politician, Papers, 1856/19321
- Anita Cutright Burnett, Collector, Papers, 1790/19351
- Anna Jarvis (1864-1948) Papers, 1858/19431
- Anna Jarvis (1864-1948) Papers, 1858/19581
- Anna Moreland Diaries, 1900/19791