"Massachusetts Deaths and Burials, 1795-1910," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FCMY-1X3 : 10 December 2014), Benoni Perham, 10 Feb 1774; citing Chelmsford, Middlesex, Massachusetts, reference Roll 4966 P165 R5; FHL microfilm 868,434.
"Massachusetts, Town Clerk, Vital and Town Records, 1626-2001," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q29L-YGFV : 3 November 2017), Benoni Perham, 10 Feb 1774; citing Death, Chelmsford, Middlesex, Massachusetts, United States, , town clerk offices, Massachusetts; FHL microfilm 868,434.