320 U.S. 338 320 U.S. 338 64 S.Ct. 142 88 L.Ed. 85 GENERAL COMMITTEE OF ADJUSTMENT OF BROTHERHOOD OF LOCOMOTIVE ENGINEERS FOR PACIFIC LINES OF SOUTHERN PAC. CO.v.SOUTHERN PAC. CO. et al. GENERAL GRIEVANCE COMMITTEE OF BROTHERHOOD OF LOCOMOTIVE FIREMEN AND ENGINEMEN v. GENERAL COMMITTEE OF ADJUSTMENT OF BROTHERHOOD OF LOCOMOTIVE ENGINEERS FOR PACIFIC LINES […]