"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MN1J-CZ1 : accessed 9 October 2019), Hiram Brown in household of James W Brown, Bartlesville Ward 3, Washington, Oklahoma, United States; citing ED 270, sheet 33A, line 24, family 778, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1490; FHL microfilm 1,821,490.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XC4S-78Y : accessed 19 November 2019), Hiram E Brown in household of James W Brown, Cimarron, Pawnee, Oklahoma, United States; citing enumeration district (ED) ED 5, sheet 5A, line 29, family 81, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1924; FHL microfilm 2,341,658.
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