- Supreme Court of the United States | Monday, May 27, 1968 | Cited 0 times
- Supreme Court of the United States | Tuesday, October 9, 1973 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Friday, August 26, 1988 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Tuesday, August 12, 1997 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Friday, March 3, 1995 | Cited 0 times
- Supreme Court of the United States | Monday, May 27, 1968 | Cited 0 times
- Supreme Court of the United States | Monday, October 1, 1979 | Cited 0 times
- District Court, D. Minnesota | Thursday, April 9, 1998 | Cited 0 times