ALA. DEPT. OF PUBLIC HEALTH v. Perkins , 469 So. 2d 651 ( 1985 )
Tennessee Valley Authority v. Hill , 98 S. Ct. 2279 ( 1978 )
Youngstown Sheet & Tube Co. v. Sawyer , 72 S. Ct. 863 ( 1952 )
City of Milwaukee v. Illinois , 101 S. Ct. 1784 ( 1981 )