"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDWX-WVN : 20 February 2021), Fanny Douglass in household of Frank Douglass, District 4, Sumner, Tennessee, United States; citing enumeration district ED 211, sheet 57C, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,255,281.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS84-3MJ : accessed 5 July 2021), Eastman Douglass in household of Fanny Cage, Nashville city Ward 17, Davidson, Tennessee, United States; citing enumeration district (ED) 109, sheet 2A, family 25, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,565.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGXR-661 : accessed 5 July 2021), Eastman Douglas, Nashville Ward 6, Davidson, Tennessee, United States; citing enumeration district (ED) ED 29, sheet 7A, family 141, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1495; FHL microfilm 1,375,508.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SP7Y-HHR : accessed 5 July 2021), Eastman Douglass, District 01, Wilson, Tennessee, United States; citing enumeration district (ED) ED 1, sheet 12A, line 33, family 282, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2286; FHL microfilm 2,342,020.
"Tennessee Deaths, 1914-1966," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:NS3V-MHK : 1 March 2021), Eastman Douglass, 16 Jul 1931; Death, Nashville, Davidson, Tennessee, United States, Tennessee State Library and Archives, Nashville.
Find a Grave, database and images (www.findagrave.com/ : accessed 04 July 2021), memorial page for Eastman Douglass (28 Jun 1875–16 Jul 1931), Find A Grave: Memorial #94348315, citing Gallatin City Cemetery, Gallatin, Sumner County, Tennessee, USA ; Maintained by OBXr (contributor 46634091).