"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VRDZ-G1Q : 23 August 2018), Mary Carpenter in household of Lewis C Carpenter, Ovid, Election Precinct 3, Sedgwick, Colorado, United States; citing enumeration district (ED) 58-4, sheet 1A, line 14, family 3, 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 480. - Mary Carpenter dans le foyer de Lewis C Carpenter, "United States Census, 1940"
https://familysearch.org/ark:/61903/1:1:VRDZ-G1Q