- Court of Appeals of Minnesota | Tuesday, July 31, 1990 | Cited 0 times
- Supreme Court of the United States | Monday, June 25, 1979 | Cited 0 times
- Court of Appeals of Oregon | Thursday, July 8, 1982 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 27, 1979 | Cited 0 times