Imm, Val, 1893 – 1981. Papers, 1932 - 1974. SMHC Manuscript Collection 153, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Imm, Val, 1893 – 1981. Papers, 1932 - 1974. SMHC Manuscript Collection 153, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/651 Accessed April 23, 2024.