erc: who: Roberts & Holding what: Anadarko Daily Democrat (Anadarko, Okla.), Vol. 9, No. 111, Ed. 1, Thursday, June 16, 1910 when: 19100616 where: https://gateway.okhistory.org/ark:/67531/metadc82366/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://gateway.okhistory.org/ark:/67531/