Fichtner v. Iowa State Penitentiary , 285 N.W.2d 751 ( 1979 )
Langley v. Scurr , 305 N.W.2d 418 ( 1981 )
Wolff v. McDonnell , 94 S. Ct. 2963 ( 1974 )
Duckett v. Ward , 458 F. Supp. 624 ( 1978 )