erc: who: Todd, O. S. what: The Oklahoma Farmer and Laborer (Sapulpa, Okla.), Vol. 4, No. 30, Ed. 1 Friday, May 7, 1915 when: 19150507 where: https://gateway.okhistory.org/ark:/67531/metadc102047/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://gateway.okhistory.org/ark:/67531/