Conduct of espionage within the United States by agents of foreign Communist governments.
Subtitle: Hearings, Ninetieth Congress, first session.
Publisher: U.S. Govt. Print. Off.
Published: 1967
Place of publication: Washington
Language: eng
Number of pages: 713
Subjects: Espionage, Soviet -- United States
Notes: Hearings held Apr. 6-Nov. 15, 1967.