| Notes |
- "United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K4M4-HMW : 28 January 2020), Alice Rosentreter in household of Henry Hassel, Ward 40, Chicago, Chicago City, Cook, Illinois, United States; citing enumeration district (ED) 103-2518, sheet 5B, line 79, family 156, 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 1001.
- "Illinois, Cook County Marriages, 1871-1920," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q212-B18B : 28 November 2018), Paul K Rosentreter and Alice Hassel, 01 Apr 1939; citing Marriage, Cook, Illinois, United States, citing Cook County Clerk. Cook County Courthouse, Chicago; FHL microfilm 102504579.
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