Switchmen's Union of North America. No. 48, in Supreme Court of United States, Oct. term, 1943, Switchmen's Union of North America et al. v. National Mediation Board, George A. Cook [et al., members of National Mediation Board] and Brotherhood of Railroad Trainmen, et al., on writ of certiorari to United States Court of Appeals for District of Columbia; brief for respondents National Mediation Board, George A. Cook, William M. Leiserson, and Harry H. Schwartz.