Umberfield v. SCHOOL DISTRICT NO. 11, ETC. , 185 Colo. 165 ( 1974 )
Gamble v. Levitz Furniture Co. of the Midwest , 759 P.2d 761 ( 1988 )
School Bd. of Nassau Cty. v. Arline , 107 S. Ct. 1123 ( 1987 )