South Texas Agriculture. Corpus Christi, Texas: Agriculture Department of the University of Corpus Christi in cooperation with the M.G. and Johnnye D. Perry Foundation, February 1956

South Texas Agriculture. Corpus Christi, Texas: Agriculture Department of the University of Corpus Christi in cooperation with the M.G. and Johnnye D. Perry Foundation, February 1956, Volume: Gilbert C473. Robert L. Gilbert First Issues collection, Gilbert. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/527521 Accessed March 24, 2026.