- Supreme Court of Minnesota | Friday, December 22, 1967 | Cited 0 times
- Supreme Court of Iowa | Tuesday, June 11, 1963 | Cited 0 times
- Court of Appeals for the Eighth Circuit | Thursday, December 2, 1965 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, June 6, 2000 | Cited 0 times