Farming Equipment and Methods, photograph, July 18, 1936; (https://gateway.okhistory.org/ark:/67531/metadc1935497/m1/1/: accessed June 2, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
Farming Equipment and Methods, photograph, July 18, 1936; (https://gateway.okhistory.org/ark:/67531/metadc1935497/m1/1/: accessed June 2, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .