Kienitz, Sidney, 1899 - 1975. Papers, 1888 – 1971. SMHC Collection 1225, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Kienitz, Sidney, 1899 - 1975. Papers, 1888 – 1971. SMHC Collection 1225, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/32 Accessed April 20, 2025.