ian-maitland-v-university-of-minnesota-the-regents-of-the-university-of , 43 F.3d 357 ( 1994 )
Wolff v. McDonnell , 94 S. Ct. 2963 ( 1974 )
Sandin v. Conner , 115 S. Ct. 2293 ( 1995 )
Hewitt v. Helms , 103 S. Ct. 864 ( 1983 )