Supreme Court of Oklahoma March 1990 casesUnited Airlines, Inc v. State Bd. of EqualizationState ex Rel. Okl. Bar Ass'n v. BrewerCity of Oklahoma City v. StateKirschstein v. HaynesBaumgardner v. State ex Rel. DHSNguyen v. StateOkla. Broadcasters v. Okla. Tax Com'nMatter of R.J.WTimmons Oil Co., Inc. v. NormanSanchez v. City of Sand Springs