| Notes |
- "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XSRS-85M : accessed 13 August 2020), Mildred Rosentreter in household of Joseph E Rosentreter, Maine, Cook, Illinois, United States; citing enumeration district (ED) ED 2150, sheet 1B, line 62, family 17, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 501; FHL microfilm 2,340,236.
- "United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KW4M-JGY : 31 May 2020), Joseph E Rosentreter, Ward 3, Park Ridge, Maine Township, Cook, Illinois, United States; citing enumeration district (ED) 16-231, sheet 1B, line 54, family 15, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 780.
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