The Osage County News (Pawhuska, Okla.), Vol. 8, No. 31, Ed. 1 Friday, April 1, 1921, newspaper, April 1, 1921; (https://gateway.okhistory.org/ark:/67531/metadc826509/m1/1/: accessed February 21, 2020), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .