↑Ancestry.com. 1870 United States Federal Census. (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2003;) Database online. , Douglas, Nebraska, post office Omaha, roll 829, page 612, image 500.
Record for Isaac W Burgman _FOOT: Ancestry.com, 1870 United States Federal Census (Provo, UT, USA: The Generations Network, Inc., 2003), Database online. , Douglas, Nebraska, post office Omaha, roll 829, page 612, image 500.