erc: who: Ottinger, Pat what: The Tracings, Volume 2, Number 2, Fall 1983 when: 19831100 where: https://texashistory.unt.edu/ark:/67531/metapth37987/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/