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- [S188] United States Census, 1910.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2P6-4TL : accessed 31 March 2018), Elvir R Boerner, St Paul Ward 11, Ramsey, Minnesota, United States; citing enumeration district (ED) ED 143, sheet 7A, family 132, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 720; FHL microfilm 1,374,733.
- [S183] United States Census, 1920.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MW17-ZR9 : accessed 31 March 2018), H Martin Boerner in household of R Elvia Boerner, St Paul Ward 8, Ramsey, Minnesota, United States; citing ED 94, sheet 7B, line 64, family 151, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 855; FHL microfilm 1,820,855.
- [S112] United States Census, 1930.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X3D7-Z6M : accessed 31 March 2018), Martin Boerner, St Paul, Ramsey, Minnesota, United States; citing enumeration district (ED) ED 138, sheet 15A, line 1, family 166, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1121; FHL microfilm 2,340,856.
- [S51] United States Census, 1940.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KSLC-RYK : accessed 31 March 2018), Martin Boerner, Ward 8, St. Paul, St. Paul City, Ramsey, Minnesota, United States; citing enumeration district (ED) 90-185, sheet 12A, line 28, family 239, 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 1999.
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