- Thomas L. Williams collection1,838
- A. Willis Robertson Papers1,165
- Siler Family Papers1,145
- O.W. Riegel Papers1,091
- United Mine Workers of America, Health and Retirement Funds, Records708
- Long/Trail Southeastern West Virginia Historical Records688
- Director's Correspondence (RG-01)636
- Harley Martin Kilgore (1893-1956), Senator, Papers576
- West Virginia University, President's Office, Records523
- Philip S. Hench Walter Reed Yellow Fever collection501
- Francis J. McNamara papers436
- Gregory A. Prince Mormon Studies Collection435
- American Public Transportation Association records338
- Carl A. "Pappy" Fehr papers326
- Office of the President. Alvin Duke Chandler Records321