J.D. Wells (Northampton) n.d. Advert for "J.D. Wells, Daguerreian Artist, Main St., Northampton"
Advert Google Books Advert in John Eden, 1851, The Mt. Holyoke Hand-book, and Tourists' Guide: For Northampton, and Its Vicinity, (Northampton, Mass.: Hopkins, Bridgman & Co.), p. 56
