- Supreme Court of Minnesota | Friday, January 19, 1951 | Cited 0 times
- Supreme Court of Minnesota | Friday, September 6, 1968 | Cited 0 times
- Supreme Court of the United States | Monday, May 21, 1973 | Cited 0 times
- Supreme Court of the United States | Monday, June 23, 1969 | Cited 0 times
- Supreme Court of the United States | Monday, June 12, 1972 | Cited 0 times