erc: who: University of North Texas. Division of Vocal Studies. Opera. what: Ensemble: 2004-07-30 – Opera Theatre when: 20040730 where: https://digital.library.unt.edu/ark:/67531/metadc85095/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/