Informazioni sulla fonte
Ancestry.com. Traditions of the earliest visits of foreigners to North America : the first formed and first inhabited of the continents [database online]. Provo, UT: Ancestry.com Operations Inc, 2005.Dati originali: Durrett, Reuben T.. Traditions of the earliest visits of foreigners to North America : the first formed and first inhabited of the continents. Louisville, Ky.: J.P. Morton & Co., printers to the Filson Club, 1908.