erc: who: Mann, Gerald C. what: Texas Attorney General Opinion: O-2898 when: 1940 where: https://texashistory.unt.edu/ark:/67531/metapth260120/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/