National Labor Relations Board v. Bradford Dyeing Ass'n , 60 S. Ct. 918 ( 1940 )
National Labor Relations Board v. P. Lorillard Co. , 62 S. Ct. 397 ( 1942 )
H. J. Heinz Co. v. National Labor Relations Board , 61 S. Ct. 320 ( 1941 )