erc: who: League of United Latin American Citizens what: Convention Booklet Report, June 1, 1966 when: 19660601 where: https://texashistory.unt.edu/ark:/67531/metapth222469/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/