(1) "A Partial List of the Families Who Resided in Bucks County, Pennsylvania, Prior to 1687, with the Date of their Arrival," Pennsylvania Magazine of History and Biography, Vol. 9 (1886): 223-233.
(2) "The Registers Office of All Persons Residing or Inhabiting within the County of Bucks, As Well Freemen & Servants & the Time of the Said Servants Freedome & Wages, 1681-1689," Historical Society of Pennsylvania, Philadelphia, Pennsylvania, Microfilm 20452 Item 2, Family History Library, Salt Lake City, Utah.