erc: who: Ridley, Elmira S. what: The Oklahoma Guide. (Guthrie, Okla.), Vol. 23, No. 35, Ed. 1 Thursday, February 18, 1915 when: 19150218 where: https://gateway.okhistory.org/ark:/67531/metadc155336/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://gateway.okhistory.org/ark:/67531/