Waller-Joos-Stetzler
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWZY-9HG : accessed 05 Mar 2014), Fred Joos, Washington, Washington Township, Tazewell, Illinois, United States; citing enumeration district (ED) 90-54, sheet 5A, family 93, NARA digital publication of T627, roll 895.
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Title "United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWZY-9HG : accessed 05 Mar 2014), Fred Joos, Washington, Washington Township, Tazewell, Illinois, United States; citing enumeration district (ED) 90-54, sheet 5A, family 93, NARA digital publication of T627, roll 895. Short Title Fred Joos, "United States Census, 1940" Source ID S439 Linked to (1) Joos, Frederick Gottlob