Jefferson, Leo Edward, 1882 - 1974. Biographical Sketches, ca. 1955. SMHC Manuscript Collection 1305, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Jefferson, Leo Edward, 1882 - 1974. Biographical Sketches, ca. 1955. SMHC Manuscript Collection 1305, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/171 Accessed May 05, 2024.