- South Dakota Supreme Court | Monday, August 24, 1970 | Cited 0 times
- Supreme Court of the United States | Monday, November 23, 1970 | Cited 0 times
- Supreme Court of the United States | Monday, May 4, 1970 | Cited 0 times
- Supreme Court of the United States | Monday, May 4, 1970 | Cited 0 times