Supreme Court of Oklahoma January 1993 casesTulsa v. Public Employees Relations Bd.Williams v. MulvihillGraham v. KeuchelLangley v. District Court of Sequoyah CountyZaharias v. GammillSmith v. State ex Rel. Bd. of RegentsGreat Plains Federal S L v. DabneyState ex Rel. Okla. Bar Ass'n v. Angel