Board of Regents v. Frohmiller , 69 Ariz. 50 ( 1949 )
Great Lakes Pipe Line Co. v. City of Grand Forks , 142 N.W.2d 126 ( 1966 )
Kessler v. Board of Education of City of Fessenden , 87 N.W.2d 743 ( 1958 )