"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWYG-53R : accessed 7 May 2015), John Chmielewski, Minneapolis Ward 9, Hennepin, Minnesota, United States; citing sheet 22A, family 459, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,820,836.
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