Jones v. Louisiana Department of Highways , 259 La. 329 ( 1971 )
Michell v. Louisiana State Board of Optometry Exam. , 146 So. 2d 863 ( 1962 )
Williamson v. Lee Optical of Oklahoma, Inc. , 75 S. Ct. 461 ( 1955 )
Kelley v. Johnson , 96 S. Ct. 1440 ( 1976 )