- Supreme Court of Iowa | Wednesday, November 12, 1969 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Monday, December 10, 1979 | Cited 0 times
- Supreme Court of Iowa | Thursday, September 9, 1971 | Cited 0 times
- Supreme Court of Iowa | Tuesday, March 12, 1963 | Cited 0 times