N. W. Earl, photograph, Date Unknown; (https://gateway.okhistory.org/ark:/67531/metadc1589980/m1/1/: accessed May 20, 2025), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
N. W. Earl, photograph, Date Unknown; (https://gateway.okhistory.org/ark:/67531/metadc1589980/m1/1/: accessed May 20, 2025), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .