Communist infiltration in defense plants.
Subtitle: Hearing before the Permanent Subcommittee on Investigations of the Committee on Government Operations, United States Senate, Eighty-fourth Congress, first session.  Pt. 1.  May 10, 1955.
Publisher: U.S. Govt. Print. Off.
Published: 1955
Place of publication: Washington
Language: eng
Number of pages: 43
Subjects: Communism -- United States -- 1917-
Notes: No more published.