Schumacher, Fern. Diary, 1920-1922. SMHC Collection 0243, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Schumacher, Fern. Diary, 1920-1922. SMHC Collection 0243, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/111 Accessed February 05, 2025.