In Brotherhood of R. R. Trainmen v. Chicago River & Ind. R. R., 353 U.S. 30, 77 S.Ct. 635, 1 L.Ed.2d 622 (1957), the Supreme Court held that the Norris-LaGuardia Act did not preclude a federal court from enjoining a strike which might defeat the effectiveness of the National Adjustment Board's authority to adjudicate a minor dispute. The Court concluded first, that Congress had intended the proceeding before the Adjustment Board to be a reasonable substitute for self-help and second, that the earlier and more general language of the Norris-LaGuardia Act should give way to the later specific provisions of the 1934 amendments to the Railway Labor Act.