Petersen, Dwain F., 1934-. Oral History Interview, 17 and 24 October 1990. SMHC Manuscript Collection 1431, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Petersen, Dwain F., 1934-. Oral History Interview, 17 and 24 October 1990. SMHC Manuscript Collection 1431, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/590 Accessed November 22, 2024.