Source Information
Ancestry.com. Wilhelm Dörr (Doerr) (1821-1891) [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2004.Original data: Barnes, Florence Young,. Wilhelm Dörr (Doerr) (1821-1891) : early German immigrant to St. Clair County, Illinois. Champaign, Ill.: unknown, 1965.
