Beard, Joseph. Interview by Elizabeth Pryor. Fairfax, Virginia, January 23, 1979, and February 2, 1979.
Beard, Joseph and Holden Harrison. Interview by Elizabeth Pryor. Floris, Virginia. March 6, 1979.
Carey, Patricia M. A Selected Bibliography of Resources on the History of Fairfax County, Virginia. Unpublished monograph, Catholic University, 1960.
Deed Books, Fairfax County, Libers E-6, H-5 and L-11. Fairfax, Virginia, Fairfax County Courthouse.
Derr, H. B. and Joseph Beard. Annual Reports of County Extension Agents, 1918-1940, in Virginiana Collection, Fairfax County Public Library.
Ellmore, Elizabeth and Emma. Interview by Nan Netherton, Herndon, Virginia, March 2, 1978.
Ellmore, Elizabeth and Emma and Rebecca Middleton. Interview by Elizabeth Pryor. Herndon, Virginia. March 6, 1979.
Ferguson, Lulah. Interview by Steve Mathews. August 16, 1971.
Greear, Virginia. Interview by Nan Netherton. Herndon, Virginia, March 23, 1978.
Harrison, Holden and Ray, and Virginia Presgraves Harrison. Interview by Elizabeth Pryor. Chantilly, Virginia, February 5, 1979.