erc: who: Watkins and Sons what: The Helena Star (Helena, Okla.), Vol. 18, No. 8, Ed. 1 Thursday, February 15, 1923 when: 19230215 where: https://gateway.okhistory.org/ark:/67531/metadc1726861/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://gateway.okhistory.org/ark:/67531/