- Association of College and Research Libraries. Tri-State Chapter (Western Pennsylvania, Eastern Ohio, West Virginia)1
- Association of Higher Education.1
- Association of Youth Work Secretaries. Ohio-West Virginia Chapter.1
- Athens County Convention and Visitors Bureau (Athens, Ohio)1
- Atkins, James, 1850-1923.1
- Atkinson, Geo. W. (George Wesley), 1845-1925.1
- Atkinson, Linda.1
- Atlantic Waterfowl Council.1
- Atwood, Horace.6
- Aull, William J., 1908-1977.1
- Aurand, A. Monroe (Ammon Monroe), 1895-1956.1
- Aurelio, Isaac Carles, 1930-1
- Aurora Area Historical Society (Aurora, W. Va.)2
- Aurora Project, Inc. (Aurora, W. Va.)1
- Auxiliary of the United Association of Post Office Clerks of the State of West Virginia.1
- Avampato Discovery Museum (Charleston, W. Va.)3
- Aviation Institute (Jackson's Mill, W. Va.)1
- B. Altman and Company (New York, N.Y.)1
- Babb Family Association.1
- Babu, Suresh P.2
