National Labor Relations Board v. International Union of Operating Engineers, Local 925, Aflcio, and Its Business Manager, H. B. Roberts , 460 F.2d 589 ( 1972 )
National Labor Relations Board v. Silver Bay Local Union No. 962, International Brotherhood of Pulp, Sulphite& Paper Mill Workers, Afl-Cio , 498 F.2d 26 ( 1974 )