Waller-Joos-Stetzler
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWRD-BPZ : accessed 23 Apr 2014), Eugene Leichtenberg in household of Francis Leichtenberg, Dawson Township, McLean, Illinois, United States; citing enumeration district (ED) 57-49, sheet 4A, family 63, NARA digital publication of T627, roll 842.
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Title "United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWRD-BPZ : accessed 23 Apr 2014), Eugene Leichtenberg in household of Francis Leichtenberg, Dawson Township, McLean, Illinois, United States; citing enumeration district (ED) 57-49, sheet 4A, family 63, NARA digital publication of T627, roll 842. Short Title Eugene Leichtenberg in household of Francis Leichtenberg, "United States Census, 1940" Source ID S851 Linked to (1) Leichtenberg, Eugene Thomas