1940 United States Federal Census [database on-line]
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Title 1940 United States Federal Census [database on-line] Short Title 1940 U.S. Federal Census Author Ancestry.com (https://www.ancestry.com) Repository Ancestry.com Source ID S4 Linked to Arthur Louis KNOCH, Sr
Barbara Ruth KNOCH
Doris Kathryn KNOCH
Living
Ruth Elizabeth ZIMMERMAN