Northumberland County Record Book, 1666-78, p. 107.
The Chesapeake Bay Country, by Sampson Earle (McDonald Lee).
THE INDIANS AND ROBERT HEN
A History of the Valley of Virginia, by Samuel Kercheval, pp. 18-34.
The Story of Virginia's First Century, by Mary N. Stanard.
George Washington, Vol. I, by D. S. Freeman.
Virginia Carolorum, by Edward D. Neill, pp. 347-49.
Virginia and Her Neighbours, Vol. II, by John Fiske.
Spencer ii, 61, 80, 89, 111.
Descendants of Coll: Giles Brent, by Chester Horton Brent, 1946.