"United States Census, 1880," database with images, FamilySearch, Adell Crockett in household of Edward Crockett, Adams, Seneca, Ohio, United States; citing enumeration district ED 195, sheet 65C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1065; FHL microfilm 1,255,065.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MMXM-PJM : accessed 2 October 2017), Adell Dudrow in household of William M Dudrow, Adams Township Greenspring village (part), Seneca, Ohio, United States; citing enumeration district (ED) 94, sheet 10B, family 236, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,320.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MD5J-DQN : accessed 2 October 2017), Adella Dudrow in household of William M Dudrow, Adams, Seneca, Ohio, United States; citing ED 101, sheet 3B, line 98, family 85, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1432; FHL microfilm 1,821,432.
Find A Grave, database and images (https://new.findagrave.com : accessed 02 October 2017), memorial page for Adelle Crockett Dudrow (1859–17 Oct 1921), Find A Grave: Memorial #76603122, citing Green Springs Cemetery, Green Springs, Sandusky County, Ohio, USA ; Maintained by Cookie (contributor 47469978) .