- Court of Appeals of Washington | Monday, June 15, 1981 | Cited 0 times
- District Court, N.D. Iowa | Monday, July 10, 1995 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, March 13, 1969 | Cited 0 times
- Supreme Court of Iowa | Wednesday, March 21, 1990 | Cited 0 times