"The burg of greene in pictures seen: Photographic and historic" by H.M Sundel (ed.) - Greensburg, Pennsylvania: Chas. M. Henry Printing Company, (date unknown), Box: 25, Volume: 62. Personal papers of Joseph M. Kellogg, PP 237. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/136882 Accessed December 22, 2024.