Waller-Joos-Stetzler
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWZ5-L1H : accessed 2 January 2015), Chris Knapp in household of William Knapp, Deer Creek Township, Tazewell, Illinois, United States; citing enumeration district (ED) 90-5, sheet 5B, family 71, NARA digital publication of T627, roll 894, NARA digital publication of T627, National Archives and Records Administration, Washington, D.C.
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Title "United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWZ5-L1H : accessed 2 January 2015), Chris Knapp in household of William Knapp, Deer Creek Township, Tazewell, Illinois, United States; citing enumeration district (ED) 90-5, sheet 5B, family 71, NARA digital publication of T627, roll 894, NARA digital publication of T627, National Archives and Records Administration, Washington, D.C. Short Title Chris Knapp in household of William Knapp, "United States Census, 1940" Source ID S1986 Linked to (1) Knapp, Chris W