Communist bloc intelligence activities in the United States
Subtitle: 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, Ninety-fourth Congress, first [and second] session ...
Publisher: U.S. Govt. Print. Off.
Published: 1975
Place of publication: Washington
Language: eng
Subjects: Intelligence service -- Czechoslovakia.; Espionage, Czech -- United States.
Notes: Includes index.

Hearings held Nov. 18, 1975 and April 12, 1976.