Coolidge, Austin J.; John B. Mansfield (1859). A History and Description of New England. Boston, Massachusetts: A.J. Coolidge. pp. 182–185. coolidge mansfield history description new england 1859.
Kittery Historical and Naval Society (February 20, 2020). A Brief History of Kittery, Maine(PDF) (booklet) (2nd ed.). Kittery Historical and Naval Society. p. 4. Retrieved December 15, 2020.