William Nigg, 1908-1983. Collection, 1930-1938. SMHC Collection 0289, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

William Nigg, 1908-1983. Collection, 1930-1938. SMHC Collection 0289, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/670 Accessed September 16, 2024.