John A. Cantwell, "Imported Indentured White Servitude in Fairfax and Prince William Counties, 1750-1800," unpub. M.A. Thesis, George Mason University, 1986, 71, quoting Donald Sweig, "White Indentured Servitude in Fairfax County: New Evidence is Discovered," Fairfax Chronicles, Vol. 2, No. 2 (Spring 1978): 1-2, 4.