Carlson, Walter. “Chronology of Martin County Historical Society,” 1929 – 1963. SMHC Manuscript Collection 1320, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Carlson, Walter. “Chronology of Martin County Historical Society,” 1929 – 1963. SMHC Manuscript Collection 1320, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/211 Accessed September 07, 2024.