Cofell, William Lawrence, 1919-. Oral History Interview, 21 October and 17 November 1989. SMHC Manuscript Collection 1390, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Cofell, William Lawrence, 1919-. Oral History Interview, 21 October and 17 November 1989. SMHC Manuscript Collection 1390, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/432 Accessed August 31, 2025.