Slide Box 3 - Europe 1958; Scandinavia II, 1967 (Peterson Box 2 cont'd, Box 4), Box: 1, Box: 3. John and Frances Peterson collection, RH MS 1330. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/195536 Accessed May 21, 2024.