Spragge, Shirley. “MINNESOTA HISTORICAL SOCIETY, Historical Resources in Minnesota; KAMMEN, What They Wrote: 19th Century Documents from Tompkins County, New York”. Archivaria 90 (January 1, 1979): 243-244. Accessed August 11, 2020. https://archivaria.ca/index.php/archivaria/article/view/12578.