erc: who: Carr, Waggoner what: Texas Attorney General Opinion: C-201 when: 19640110 where: https://texashistory.unt.edu/ark:/67531/metapth268620/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/