Unauthorized travel of subversives behind the Iron Curtain on United States passports.
Subtitle: Hearings 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-second Congress, first session.
Publisher: U.S. Govt. Print. Off.
Published: 1951
Place of publication: Washington
Language: eng
Number of pages: 217
Subjects: Communism -- United States -- 1917-
Notes: Pat McCarran, chairman of the subcommittee.
Hearings held Aug. 1-Sept. 26, 1951.