Waller-Joos-Stetzler
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWZY-9H5 : accessed 05 Mar 2014), Frederick Joos in household of 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-9H5 : accessed 05 Mar 2014), Frederick Joos in household of 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 Frederick Joos in household of Fred Joos, "United States Census, 1940" Source ID S441 Linked to (1) Living