Investigation of Improper Activities in the Labor or Management Field hearings before the United States Senate Select Committee on Improper Activities in the Labor or Management Field, Eighty-Fifth Congress, first session, on Dec. 5-7, 9-11, 17, 18, 1957. Part 18 :

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• Investigation of Improper Activities in the Labor or Management Field hearings before the United States Senate Select Committee on Improper Activities in the Labor or Management Field, Eighty-Fifth Congress, first session, on Dec. 5-7, 9-11, 17, 18, 1957.
  Gepubliceerd in: (1957)
• Investigation of Racketeering : hearings before the United States House Committee on Government Operations, Special Subcommittee To Investigate Racketeering, and House Committee on Education and Labor, Special Subcommittee on Strikes and Racketeering in the Detroit Area, Eighty-Third Congress, first session, on June 8, 11-13, 1953
  Gepubliceerd in: (1953)
• Investigation of Improper Activities in the Labor or Management Field hearings before the United States Senate Select Committee on Improper Activities in the Labor or Management Field, Eighty-Fifth Congress, first session, on July 16, 1957.
  Gepubliceerd in: (1957)
• Investigation of Improper Activities in the Labor or Management Field hearings before the United States Senate Select Committee on Improper Activities in the Labor or Management Field, Eighty-Fifth Congress, first session, on Mar. 19-22, 1957.
  Gepubliceerd in: (1957)
• Investigation of Improper Activities in the Labor or Management Field hearings before the United States Senate Select Committee on Improper Activities in the Labor or Management Field, Eighty-Fifth Congress, first session, on Mar. 12-15, 1957.
  Gepubliceerd in: (1957)