- United States Tax Court | Thursday, June 12, 1975 | Cited 0 times
- United States Tax Court | Thursday, March 16, 1978 | Cited 0 times
- Nebraska Supreme Court | Friday, June 8, 2007 | Cited 0 times
- California Court of Appeal | Friday, June 23, 1972 | Cited 0 times
- California Supreme Court | Thursday, August 28, 1975 | Cited 0 times