Waller-Joos-Stetzler
"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XSBV-S5Q : accessed 10 Feb 2014), Willis Aupperle in household of Ernest Aupperle, Belle Prairie, Livingston, Illinois, United States; citing enumeration district (ED) 0004, sheet , family 81, NARA microfilm publication .
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Title "United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XSBV-S5Q : accessed 10 Feb 2014), Willis Aupperle in household of Ernest Aupperle, Belle Prairie, Livingston, Illinois, United States; citing enumeration district (ED) 0004, sheet , family 81, NARA microfilm publication . Short Title Willis Aupperle in household of Ernest Aupperle, "United States Census, 1930" Source ID S231 Linked to (1) Aupperle, Willis Eugene