- Du Pont, Alfred I. (Alfred Irénée), 1864-193571
- Abbott, Harold T.51
- Williams, Morley Jeffers, 1886-197751
- Williamsburg Historic Records Association (Williamsburg, Va.)38
- Schaffer Collection29
- West Virginia University22
- Dodge, Harrison Howell, 1852-193719
- Wall, Charles Cecil, 1903-199518
- College of William and Mary17
- Berry, Violetta Lansdale, 1883-197116
- Buffalo Society of Natural Sciences16
- Tyler, Lyon Gardiner, 1853-193514
- Jeffrey S. Evans & Associates12
- Harrisonburg-Rockingham Historical Society11
- Graham, John Alexander10