University of  Tulsa, J.D., December 1976

West Virginia University, B.S. Economics, cum laude, May 1973: 

Oklahoma, April 1977

U.S. District Court, Northern District of Oklahoma, 1977

U.S. Court of Appeals, 10th Circuit, 1977

U.S. District Court, Northern District of Texas, 1979

U.S. Supreme Court, 1980

U.S. District Court, Western District of Oklahoma, 1980

U.S. District Court, Eastern District of Oklahoma, 1983

U.S. Court of Appeals, 5th Circuit, 1988

U.S. Court of Appeals, 8th Circuit, 1994

Cherokee Nation, 1996

U.S. Court of Appeals, 6th Circuit, 2010

U.S. Court of Appeals, 9th Circuit, 2020

Seminole Nation, 2020