Vaca v. Sipes , 87 S. Ct. 903 ( 1967 )
Amalgamated Ass'n of Street, Electric Railway & Motor Coach Employees of America v. Lockridge , 91 S. Ct. 1909 ( 1971 )
Sears, Roebuck & Co. v. San Diego County District Council of Carpenters , 98 S. Ct. 1745 ( 1978 )