"New Hampshire Birth Records, Early to 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FL55-J6T : 10 March 2018), Elijah N Whittemore, 27 Apr 1817; citing Troy, Cheshire, New Hampshire, United States, Bureau of Vital Records and Health Statistics, Concord; FHL microfilm 1,001,052.
Find A Grave, database and images (https://www.findagrave.com : accessed 19 November 2018), memorial page for Elijah N Whittemore (unknown–6 Mar 1820), Find A Grave: Memorial #20447395, citing Troy Village Cemetery, Troy, Cheshire County, New Hampshire, USA ; Maintained by Star Rhodes (contributor 46878998) .