Snarr, Otto Welton, 1886 – 1966. Collection, 1857 - 1968. SMHC Manuscript Collection 122, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Snarr, Otto Welton, 1886 – 1966. Collection, 1857 - 1968. SMHC Manuscript Collection 122, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/585 Accessed April 24, 2024.