"Europe Travel Diary, Summer 1972" written on business cards; admission tickets to Secretary of State reception; certificates - Colombia, Guatemala, 1972 - 1984, Box: 1, Folder: 45. Personal papers of John Laurence Day, PP 551. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/192064 Accessed June 01, 2024.