↑Find a Grave, database and images (https://www.findagrave.com : accessed 08 January 2021), memorial page for Robert R. Hammond (Aug 1824–11 May 1904), Find A Grave: Memorial #184832752, citing Oldfield Cemetery, Hornby, Steuben County, New York, USA ; Maintained by Backus Family History (contributor 47039629) .
↑ 2.02.1 "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MSG6-S23 : accessed 8 January 2021), Robert Hammond, Hornby Township, Steuben, New York, United States; citing enumeration district (ED) 87, sheet 8A, family 191, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,163.
↑ "United States Census, 1850," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MC1L-LSF : 24 December 2020), Robert R Hammond, Campbell, Steuben, New York, United States; citing family , NARA microfilm publication (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "New York State Census, 1875," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VTZ5-XSH : 3 April 2020), Robert R Hammond, Hornby, Steuben, New York, United States; citing p. 22, line 28, State Library, Albany; FHL microfilm 512,427.
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZFY-NF8 : 20 August 2017), Robert Hammond, Hornby, Steuben, New York, United States; citing enumeration district ED 177, sheet 271A, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,933.