United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MJ4H-BD7 : accessed 19 January 2017), Esther Klundt in household of William Klundt, Aurora Ward 3, Kane, Illinois, United States; citing ED 45, sheet 10A, line 24, family 243, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 373; FHL microfilm 1,820,373.
United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KWHV-NSY : accessed 21 January 2017), Esther Griff in household of Leo Griff, Ward 3, Aurora, Aurora Township, Kane, Illinois, United States; citing enumeration district (ED) 45-16, sheet 17A, line 9, family 483, 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 819.
Michigan Obituaries, 1820-2006," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVPB-FXB9 : accessed 21 January 2017), Mrs Esther C Griff, 1997; citing Grand Haven, , , United States, various offices and archives, Michigan.
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