^Caswell, Lilley Brewer (1899). Athol, Massachusetts, Past and Present. Athol, Massachusetts: Lilley Brewer Caswell. s. 368.
^Herringshaw, Thomas William (1914). Herringshaw's National Library of American Biography Contains Thirty-Five Thousand Biographies of the Acknowledged Leaders of Life and Thought of the United States; Illustrated with Three Thousand Vignette Portraits, Volume V. Chicago, Illinois: American Publishers' Association. s. 303.
^Caswell, Lilley Brewer (1899). Athol, Massachusetts, Past and Present. Athol, Massachusetts: Lilley Brewer Caswell. s. 367-370.