↑ "United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:KQ1N-MV7 : 7 January 2021), D M Cox, Brooklyn, New York City, New York, United States; citing enumeration district (ED) 24-10A, sheet 84A, line 30, family , Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 2547.
"Family Tree," database, FamilySearch (http://familysearch.org : modified 24 July 2022, 21:39), entry for D M Cox (FamilySearch Person: GX1H-MST ); contributed by various users.
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