erc: who: Gracy, David B., II what: The Junior Historian, Volume 23, Number 6, May 1963 when: 19630500 where: https://texashistory.unt.edu/ark:/67531/metapth391556/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/