Recherche dans la collection - DISTRICT 50 UNITED MINE WORKERS OF ; AMERICA VS. EASTERN CANADA STEVEDORING ; CO. LTD. (TORONTO) AND BROTHERHOOD OF ; RAILWAY AND STEAMSHIP CLERKS, FREIGHT ; HANDLERS, EXPRESS AND STATION EMPLOYEES REFERENCE TO AND JUDGMENT IN THE SUPREME COURT OF CANADA AS TO THE VALIDITY OF THE INDUSTRIAL RELATIONS AND DISPUTES INVESTIGATION ACT, RSC1952, C152 AND ITS APPLICABILITY IN RESPECT OF CERTAIN EMPLOYEES OF THE A/M STEVEDORING COMPANY...