Source Information The quest for a lost race [database on-line]. Provo, UT: Operations Inc, 2005.
Original data: Pickett, Thomas Edward,. The quest for a lost race : presenting the theory of Paul B. Du Chaillu, an eminent ethnologist and explorer, that the English-speaking people of to-day are descended from the Scandinavians rather than the Teutons, from the Normans rather than the Germans. Louisville, Ky.: J.P. Morton & Co., printers to the Filson Club, 1907.