↑ Find A Grave: Memorial #24542239: accessed 28 March 2018), memorial page for Sanford Keeler (18 Sep 1820–21 Mar 1888), citing Bald Hill Cemetery, Wilton, Fairfield County, Connecticut, USA ; Maintained by Jan Franco (contributor 46625834) .
↑ "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M6DM-518 : 12 April 2016), Sanford Keeler, Wilton, Fairfield, Connecticut, United States; citing family 294, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MN7W-154 : 12 April 2016), Sanford Keeler, Connecticut, United States; citing p. 8, family 79, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,598..