Supreme Court of Oklahoma January 1993 casesTulsa v. Public Employees Relations Bd.Williams v. MulvihillGraham v. KeuchelState ex Rel. Okla. Bar Ass'n v. AngelSmith v. State ex Rel. Bd. of RegentsLangley v. District Court of Sequoyah CountyZaharias v. GammillGreat Plains Federal S L v. Dabney