Roberts, Donovan L. Oral History Interview, 29 October and 19 November 1985. SMHC Manuscript Collection 1481, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Roberts, Donovan L. Oral History Interview, 29 October and 19 November 1985. SMHC Manuscript Collection 1481, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/268 Accessed April 20, 2024.