"The Perkiomen region: Volume XIV, Number 2, April, 1936" by David Schultz - Pennsburg, Pennslyvania: The Perkiomen Region, 1936, Box: 27, Volume: 89. Personal papers of Joseph M. Kellogg, PP 237. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/136910 Accessed September 14, 2024.