Record for Arthur E. Christenson _FOOT: Ancestry.com, Social Security Death Index (Provo, UT, USA: The Generations Network, Inc., 2007), Database online.
↑Ancestry.com. 1930 United States Federal Census. (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2002;) Database online. Roseville, Macomb, Michigan, ED 16, roll 1008, page , image 973.0.
Record for Helmer M Christenson _FOOT: Ancestry.com, 1930 United States Federal Census (Provo, UT, USA: The Generations Network, Inc., 2002), Database online. Roseville, Macomb, Michigan, ED 16, roll 1008, page , image 973.0.