John F. Brown, Jr., postcard, 1925~; (https://gateway.okhistory.org/ark:/67531/metadc231461/m1/1/: accessed June 8, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
John F. Brown, Jr., postcard, 1925~; (https://gateway.okhistory.org/ark:/67531/metadc231461/m1/1/: accessed June 8, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .