Half-block and full-block lettering plates and descriptions, produced by Loyd Howe for Lettering Course, International Correspondence Schools, Scranton, Pennsylvania, June 25, 1893, Box: 1, Folder: 6. Hannah O. Leibengood papers, RH MS 902. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/81309 Accessed May 23, 2024.