↑ "New York State Census, 1925," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KSSJ-2Y2 : 8 November 2014), Herman H Boerner, Brooklyn, A.D. 01, E.D. 32, Kings, New York, United States; records extracted by Ancestry and images digitized by FamilySearch; citing p. 23, line 16, New York State Archives, Albany. 1925 New York Bethel
↑ "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X76R-S8Y : accessed 27 September 2021), Herman H Boerner, Brooklyn (Districts 0751-1000), Kings, New York, United States; citing enumeration district (ED) ED 905, sheet 3B, line 96, family , NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1491; FHL microfilm 2,341,226. 1930 New York Bethel
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M53N-VBC : accessed 27 September 2021), Herman H Boerner in household of August J W Prehn, Manhattan Ward 12, New York, New York, United States; citing enumeration district (ED) ED 493, sheet 9A, family 151, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1020; FHL microfilm 1,375,033.