Informazioni sulla fonte
Ancestry.com. Burt's guide through the Connecticut Valley to the White Mountains and the River Saquenay [database online]. Provo, UT: Ancestry.com Operations Inc, 2005.Dati originali: Burt, Henry M.. Burt's guide through the Connecticut Valley to the White Mountains and the River Saquenay. Springfield, Mass.: New England Pub. Co., 1874.