↑ Adams, William Frederick, and Cutter, William Richard. Genealogical and Personal Memoirs Relating to the Families of the State of Massachusetts, Vol. II. Lewis Historical Publishing Co: New York, 1910.
↑Massachusetts Deaths and Burials, 1795-1910, database, FamilySearch (link : 10 December 2014), Electa Jackson, 23 Apr 1857; citing Northampton, Hampshire, Massachusetts, reference p 19; FHL microfilm 186,162.
↑Find A Grave Index, database, FamilySearch (FamilySearch link: 13 December 2015), Electa Jackson, 1857; Burial, Williamsburg, Hampshire, Massachusetts, United States of America, Village Hill Cemetery; citing record ID 86890293, Find A Grave, link.
Massachusetts State Census, 1855, database with images, FamilySearch (FamilySearch: 2 April 2016), Electa Jackson in household of Benj Jackson, Northampton, Hampshire, Massachusetts, United States; State Archives, Boston; FHL microfilm 953,947.