Rex Engineering Co. Acct., photograph, December 1949; (https://gateway.okhistory.org/ark:/67531/metadc1117374/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
Rex Engineering Co. Acct., photograph, December 1949; (https://gateway.okhistory.org/ark:/67531/metadc1117374/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .