- United States Tax Court | Thursday, October 29, 1970 | Cited 0 times
- Court of Appeals of Maryland | Thursday, April 1, 1971 | Cited 0 times
- Supreme Court of Florida | Thursday, March 13, 1980 | Cited 0 times
- Court of Appeals of Arizona | Tuesday, September 21, 1976 | Cited 0 times
- Supreme Court of Iowa | Wednesday, November 12, 1980 | Cited 0 times