The Yukon Oklahoma Sun (Yukon, Okla.), Vol. 45, No. 34, Ed. 1 Thursday, June 15, 1939, newspaper, June 15, 1939; (https://gateway.okhistory.org/ark:/67531/metadc2292358/m1/1/: accessed June 10, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .