Waller-Joos-Stetzler
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWZB-Y5J : accessed 14 Jan 2014), Adolf Joos, Groveland Township, Tazewell, Illinois, United States; citing enumeration district (ED) 90-17, sheet 6A, family 117, NARA digital publication of T627, roll 894.
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Title "United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWZB-Y5J : accessed 14 Jan 2014), Adolf Joos, Groveland Township, Tazewell, Illinois, United States; citing enumeration district (ED) 90-17, sheet 6A, family 117, NARA digital publication of T627, roll 894. Short Title Adolf Joos, "United States Census, 1940" Source ID S143 Linked to (2) Joos, Adolf Gustav
Family: Joos, Adolf Gustav / Jacob, Elizabeth