Waller-Joos-Stetzler
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWTD-423 : accessed 12 Mar 2014), William Joos, Montgomery Township, Woodford, Illinois, United States; citing enumeration district (ED) 102-17, sheet 2A, family 25, NARA digital publication of T627, roll 916.
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Title "United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWTD-423 : accessed 12 Mar 2014), William Joos, Montgomery Township, Woodford, Illinois, United States; citing enumeration district (ED) 102-17, sheet 2A, family 25, NARA digital publication of T627, roll 916. Short Title William Joos, "United States Census, 1940" Source ID S510 Linked to (1) Family: Joos, William Frederick / Knapp, Clementine Mae