Roberts, G. B. (2004). The royal descents of 600 immigrants to the American colonies or the United States: Who were themselves notable or left descendants notable in American history. Baltimore, MD: Genealogical Publishing Co..

Roberts, Gary Boyd. The Royal Descents of 600 Immigrants to the American Colonies or the United States: Who Were Themselves Notable or Left Descendants Notable in American History. Baltimore, MD: Genealogical Publishing Co., 2004.

Roberts, Gary Boyd. The Royal Descents of 600 Immigrants to the American Colonies or the United States: Who Were Themselves Notable or Left Descendants Notable in American History. Baltimore, MD: Genealogical Publishing Co., 2004.