Torres v. Oakland Scavenger Co. , 108 S. Ct. 2405 ( 1988 )
DeShaney v. Winnebago County Department of Social Services , 109 S. Ct. 998 ( 1989 )
Cruzan Ex Rel. Cruzan v. Director, Missouri Department of Health , 110 S. Ct. 2841 ( 1990 )