Aeroflex Corporation. Robinson Aerial Surveys Division. [Aerial Photograph of West Edinburg and Pan American College], photograph, November 4, 1968; (https://texashistory.unt.edu/ark:/67531/metapth90980/m1/1/: accessed November 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .