"Rhode Island Births and Christenings, 1600-1914," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:F8SW-G8K : accessed 11 June 2016), Clark Burdick, 13 Jan 1868; citing Coventry, Kent, Rhode Island, reference 84; FHL microfilm 1,822,429.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MFF3-2Z7 : accessed 11 June 2016), Clark Burdick in household of J Truman Burdick, Rhode Island, United States; citing p. 38, family 343, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,971.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M4S8-M5P : accessed 11 June 2016), Clark Burdick in household of J Truman Burdick, Newport, Newport, Rhode Island, United States; citing enumeration district ED 93, sheet 178A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 1210; FHL microfilm 1,255,210.
Find A Grave, database and images (https://www.findagrave.com : accessed 10 August 2018), memorial page for Clark Burdick (13 Jan 1868–27 Aug 1948), Find A Grave: Memorial #6947022, citing Saint Marys Episcopal Churchyard, Portsmouth, Newport County, Rhode Island, USA ; Maintained by Find A Grave .