"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X74X-8TB : accessed 27 October 2018), Eva P Davis in household of Adelbert Davis, Graylin, Logan, Colorado, United States; citing enumeration district (ED) ED 41, sheet 3A, line 28, family 55, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 246; FHL microfilm 2,339,981. - Eva P Davis dans le foyer de Adelbert Davis, "United States Census, 1930"
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