Tree Farm, photograph, 1990~/1999~; (https://gateway.okhistory.org/ark:/67531/metadc1643125/m1/1/: accessed May 30, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
Tree Farm, photograph, 1990~/1999~; (https://gateway.okhistory.org/ark:/67531/metadc1643125/m1/1/: accessed May 30, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .