Champlin, Lee L. Papers, 1897. SMHC Collection 0235, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.
Champlin, Lee L. Papers, 1897. SMHC Collection 0235, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/87 Accessed April 19, 2025.