Cuban aftermath -- : Red seeds blow South; implications for the United States of the Latin American Conference for National Sovereignty and Economic Emancipation and Peace. Hearing before the Subcommittee to Investigate the Administration of the Internal Security Act and other Internal Security Laws of the Committee on the Judiciary, United States Senate, Eighty-seventh Congress, first session. Testimony of Joseph F. Thorning. March 16, 1961. - Thorning, Joseph F. (U.S. Govt. Print. Off,, 1961)