"The Incas come to Peru", December 28, 1928 - January 2, 25-28, 1929, Box: 1, Folder: A4 (6 folders total). Cordwainer Smith papers, MS 196. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/550240 Accessed January 13, 2025.