- United States Court of Claims | Friday, March 14, 1969 | Cited 0 times
- United States Court of Claims | Friday, June 20, 1969 | Cited 0 times
- Court of Appeals for the Tenth Circuit | Wednesday, September 11, 1968 | Cited 0 times
- United States Tax Court | Monday, August 27, 1973 | Cited 0 times
- United States Tax Court | Wednesday, March 16, 1977 | Cited 0 times