erc: who: Crittenden, H. L. what: Mangum Sun-Monitor. (Mangum, Okla.), Vol. 11, No. 28, Ed. 1 Thursday, July 4, 1901 when: 19010704 where: https://gateway.okhistory.org/ark:/67531/metadc285678/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://gateway.okhistory.org/ark:/67531/