Wiltgen, Martin C. (Marti), 1935-1995. Oral History Interview, 30 October and 15 November 1989. SMHC Manuscript Collection 1407, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.
Wiltgen, Martin C. (Marti), 1935-1995. Oral History Interview, 30 October and 15 November 1989. SMHC Manuscript Collection 1407, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/501 Accessed December 22, 2024.