Illinois State Historical Society (1988). "Illinois Historical Journal". Illinois State Historical Society Membership. 81. Illinois State Historical Society. ISSN0748-8149. Retrieved January 9, 2017.
Illinois State Historical Society (1988). "Illinois Historical Journal". Illinois State Historical Society Membership. Illinois State Historical Society. ISSN0748-8149. Retrieved January 9, 2017.
Illinois State Historical Society (1988). "Illinois Historical Journal". Illinois State Historical Society Membership. 81. Illinois State Historical Society. ISSN0748-8149. Retrieved January 9, 2017.
Illinois State Historical Society (1988). "Illinois Historical Journal". Illinois State Historical Society Membership. Illinois State Historical Society. ISSN0748-8149. Retrieved January 9, 2017.