- Supreme Court of Colorado | Monday, December 28, 1981 | Cited 0 times
- Supreme Court of Colorado | Monday, February 2, 1981 | Cited 0 times
- Supreme Court of Iowa | Wednesday, June 16, 1982 | Cited 0 times
- Supreme Court of Colorado | Monday, December 14, 1981 | Cited 0 times
- Court of Appeals of Maryland | Friday, February 28, 1986 | Cited 0 times
- Supreme Court of Colorado | Monday, February 28, 2005 | Cited 0 times