An address in commemoration of the lives and services of Ledyard and his brave associates who fell at Groton Heights, Sept. 6, 1781, in defence of their country : delivered at Groton, (Conn.), September 6th, 1826, on the laying of the corner stone of a monument to their memory / - Griswold, Charles. (Printed by J.B. Clapp,, 1826)