Bob Callahan conversation with Carl Sauer [title and information card from tape case], May 1973

Bob Callahan conversation with Carl Sauer [title and information card from tape case], May 1973, Box: 96, Folder: 44. Kenneth Irby collection, MS 354. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/570019 Accessed July 23, 2026.