Sanborn's Travel Update. Corpus Christi, Texas: Sanborn's International Travel Service, 1981

Sanborn's Travel Update. Corpus Christi, Texas: Sanborn's International Travel Service, 1981, Volume: Gilbert D1252. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527369 Accessed December 27, 2025.