Informazioni sulla fonte
Ancestry.com. Wisconsin in three centuries, 1634-1905 [database online]. Provo, UT: Ancestry.com Operations Inc, 2005.Dati originali: Wisconsin in three centuries, 1634-1905 : narrative of three centuries in the making of an American commonwealth, illustrated with numerous engravings of historic scenes and landmarks, portraits and facsimiles of rare prints, documents and old maps.. New York: Century History Co., c1906.
