"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XH7H-B2B : accessed 19 February 2015), Eugene Kratz in household of Andrew A Kratz, Wilkes-Barre, Luzerne, Pennsylvania, United States; citing enumeration district (ED) 0254, sheet 5A, family 97, line 25, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2073; FHL microfilm 2,341,807.
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KQ74-6FC : accessed 19 February 2015), Eugene Kraty in household of Caroline Kraty, Ward 14, Wilkes-Barre, Wilkes-Barre City, Luzerne, Pennsylvania, United States; citing enumeration district (ED) 40-319, sheet 5B, family 94, NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 3563.
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