Central and South America 2 (12 folders); Cent-So-America 3 (1 folder) and Chess (3 folders), Box: 31. Edward M. Greb personal library on government, politics, economics, and history, RH WL MS 29. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/51737 Accessed July 12, 2025.