Gibbons, George P. Oral History Interview, 30 October 1986. SMHC Manuscript Collection 1499, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Gibbons, George P. Oral History Interview, 30 October 1986. SMHC Manuscript Collection 1499, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/356 Accessed April 26, 2024.