Tip-O-Texan. Weslaco, Texas: Lower Rio Grande Valley Chamber of Commerce, September 1965

Tip-O-Texan. Weslaco, Texas: Lower Rio Grande Valley Chamber of Commerce, September 1965, Volume: Gilbert D1060. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527773 Accessed December 27, 2025.