Gaps in internal security laws.
Subtitle: Hearings, Eighty-ninth Congress, second session[--Ninetieth Congress, first session]
Publisher: U.S. Govt. Print. Off.
Published: 1966
Place of publication: Washington
Language: eng
Number of pages: 373
Subjects: Internal security -- United States.
Notes: Hearings held June 23, 1966-May 24, 1967.