erc: who: Crittenden, H. L. what: Mangum Sun-Monitor. (Mangum, Okla.), Vol. 15, No. 30, Ed. 1 Thursday, July 20, 1905 when: 19050720 where: https://gateway.okhistory.org/ark:/67531/metadc285571/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://gateway.okhistory.org/ark:/67531/