"Catalog of U.S. Coast and Geodetic Survey Nautical Charts, Coast Pilots, Tide Tables, Current Tables, Tidal Current Charts, Airway Maps", U.S. Department of Commerce, April, 1934, Box: 5, Folder: 19. Personal papers of Frank Hodder, PP 71. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/395534 Accessed May 22, 2024.