- Supreme Court of Minnesota | Friday, January 25, 1980 | Cited 0 times
- Court of Appeals for the Ninth Circuit | Wednesday, December 4, 1968 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Wednesday, June 20, 1979 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Tuesday, December 3, 1968 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, January 22, 1976 | Cited 0 times
- Court of Appeals for the Third Circuit | Tuesday, August 19, 1980 | Cited 0 times