erc: who: Mann, Gerald C. what: Texas Attorney General Opinion: O-1310 when: 19390822 where: https://texashistory.unt.edu/ark:/67531/metapth258493/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/