- United States Tax Court | Monday, April 29, 1991 | Cited 0 times
- Supreme Court of the United States | Monday, January 7, 1935 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Thursday, September 26, 1991 | Cited 0 times
- Supreme Court of the United States | Monday, November 6, 1933 | Cited 0 times