FamilySearch (https://familysearch.org/ark:/61903/1:1:X3CV-5FZ : accessed 27 October 2018), Otto Unger Jr. in household of Otto Unger, Springfield, Brown, Minnesota, United States; citing enumeration district (ED) ED 24, sheet 5A, line 6, family 99, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1081; FHL microfilm 2,340,816. (Deed) - Otto Unger Jr. dans le foyer de Otto Unger, "United States Census, 1930" » Quellen » Généalogie Hoffet » Genealogie Online"> FamilySearch (https://familysearch.org/ark:/61903/1:1:X3CV-5FZ : accessed 27 October 2018), Otto Unger Jr. in household of Otto Unger, Springfield, Brown, Minnesota, United States; citing enumeration district (ED) ED 24, sheet 5A, line 6, family 99, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1081; FHL microfilm 2,340,816. (Deed) - Otto Unger Jr. dans le foyer de Otto Unger, "United States Census, 1930" » Quellen » Généalogie Hoffet » Genealogie Online">
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X3CV-5FZ : accessed 27 October 2018), Otto Unger Jr. in household of Otto Unger, Springfield, Brown, Minnesota, United States; citing enumeration district (ED) ED 24, sheet 5A, line 6, family 99, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1081; FHL microfilm 2,340,816. - Otto Unger Jr. dans le foyer de Otto Unger, "United States Census, 1930"
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