"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M6KX-B46 : 12 April 2016), Eddie E Calhoun in household of William Calhoun, Ohio, United States; citing p. 41, family 352, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,679.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MKLF-HC6 : accessed 17 October 2018), Edward Calhoun, Precinct 6, Washington, District of Columbia, United States; citing enumeration district (ED) ED 111, sheet 15A, family 231, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 152; FHL microfilm 1,374,165.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNGS-GKG : accessed 17 October 2018), Edward Calhoun in household of M W Crouch, Washington, Washington, District of Columbia, United States; citing ED 344, sheet 7A, line 28, family 124, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 213; FHL microfilm 1,820,213.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XM2Q-HPJ : accessed 17 October 2018), Edward E Calhoon in household of M Uiborn Crouch, Washington, Washington, District of Columbia, United States; citing enumeration district (ED) ED 327, sheet 19A, line 29, family 298, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 301; FHL microfilm 2,340,036.