2 South America, Rio, Caracas, Quito, Galápagos tortoises, 1977

2 South America, Rio, Caracas, Quito, Galápagos tortoises, 1977, Box: 70, Folder: 9. Robinson-Clapp family archives, RH MS 578. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/581382 Accessed January 23, 2026.