The South Texas Observer; The Unofficial Publication of the Corpus Christi Air Defense Filter Center. Corpus Christi, Texas: Corpus Christi Air Defense Filter Center, February 15, 1956

The South Texas Observer; The Unofficial Publication of the Corpus Christi Air Defense Filter Center. Corpus Christi, Texas: Corpus Christi Air Defense Filter Center, February 15, 1956, Volume: Gilbert D955. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527523 Accessed December 27, 2025.