Perry v. Sindermann , 92 S. Ct. 2694 ( 1972 )
Cleveland Board of Education v. Loudermill , 105 S. Ct. 1487 ( 1985 )
Mt. Healthy City School District Board of Education v. Doyle , 97 S. Ct. 568 ( 1977 )
Rankin v. McPherson , 107 S. Ct. 2891 ( 1987 )
Texas v. Johnson , 109 S. Ct. 2533 ( 1989 )