Southwick, Claude E., 1869 – 1958, and Family. Collection, 1857 - 1957. SMHC Manuscript Collection 1207, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Southwick, Claude E., 1869 – 1958, and Family. Collection, 1857 - 1957. SMHC Manuscript Collection 1207, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/366 Accessed November 23, 2024.