- Supreme Court of Iowa | Wednesday, April 8, 1959 | Cited 0 times
- Supreme Court of Iowa | Tuesday, January 19, 1971 | Cited 0 times
- Supreme Court of Iowa | Tuesday, February 10, 1970 | Cited 0 times
- Court of Appeals for the D.C. Circuit | Thursday, August 26, 1976 | Cited 0 times