- Thomas L. Williams collection2,027
- A. Willis Robertson Papers1,194
- Siler Family Papers1,144
- O.W. Riegel Papers1,099
- Long/Trail Southeastern West Virginia Historical Records723
- United Mine Workers of America, Health and Retirement Funds, Records705
- Director's Correspondence (RG-01)649
- Harley Martin Kilgore (1893-1956), Senator, Papers604
- West Virginia University, President's Office, Records502
- Francis J. McNamara papers464
- Gregory A. Prince Mormon Studies Collection441
- John T. Parsons Papers381
- American Public Transportation Association records351
- Carl A. "Pappy" Fehr papers310
- Philip S. Hench Walter Reed Yellow Fever collection309