erc: who: John F. Worley & Co. what: John F. Worley & Co.'s El Paso Directory for 1904 when: 1904 where: https://texashistory.unt.edu/ark:/67531/metapth213981/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/