Schellberg, Ruth M., Collection, 1937-2000. SMHC Collection 225, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Schellberg, Ruth M., Collection, 1937-2000. SMHC Collection 225, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/648 Accessed November 22, 2024.