"Massachusetts Births, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FXN7-LPG : 11 March 2018), Infant Ames, 25 Nov 1870, Easton, Bristol, Massachusetts; citing reference ID #94, Massachusetts Archives, Boston; FHL microfilm 1,428,073.
"Massachusetts State Vital Records, 1841-1920", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QLGT-C2K6 : 26 November 2019), Winthrop Ames in entry for Catherine Hobart Ames, 1919.