(1) John A. Cantwell, "Imported Indentured White Servitude in Fairfax and Prince William Counties, 1750-1800," unpub. M.A. Thesis, George Mason University, 1986, 28-29, 58, quoting Typescripts of letters from John Carlyle to his brother dated August 4, 1752, and August 10, 1757, Carlyle House and Lloyd House (Alexandria, Virginia, Public Library), Alexandria, Virginia.
(2) Penelope D. Cliff, “The Legal and Social Status of Indentured Servants in Colonial Virginia,†M.A. Thesis, Georgia College & State University, 2002, 65.