The Mother of Washington and Her Times, by Sara Pryor.
Historic Northern Neck, by H. Ragland Eubank.
"Will of Mary Hewes," found in Archives of Northumberland County, by Rev. G. W. Beale, published in Virginia Historical Magazine.
19 Northumberland Orders, 42.
Northumberland County Order Book, No. 6, p. 17.
SANDY POINT
George Washington, Vol. I, by D. S. Freeman.
"Mary Ball Washington and Her Family," by Robert O. Norris, Jr., in Northern Neck of Virginia Historical Magazine, December, 1953.
Historic Northern Neck, by H. Ragland Eubank, Nos. 115, 117, 121.
Will of Mary Hewes, (19 Northumberland Orders, 42).