(1952). Hearings subcommitee to investigate the administration of the internal security act and other internal security laws of the committee on the judiciary United States senate. Washington: United States Governemnt Printing Office.

Hearings Subcommitee to Investigate the Administration of the Internal Security Act and Other Internal Security Laws of the Committee On the Judiciary United States Senate. Washington: United States Governemnt Printing Office, 1952.

Hearings Subcommitee to Investigate the Administration of the Internal Security Act and Other Internal Security Laws of the Committee On the Judiciary United States Senate. Washington: United States Governemnt Printing Office, 1952.