"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M8WG-381 : accessed 16 Oct 2012), Etta Allen in household of Gorman Allen, , Atchison, Missouri; citing enumeration district (ED) , sheet 3B, family 71, NARA microfilm publication T625, FHL microfilm 1820903.