U.S. Government films, 1971 supplement.
Contributors: United States. National Archives and Records Service.; National Audiovisual Center.
Series: National Archives Publication -- no.72-17.; National Archives publication (Washington, D.C.) -- no.72-17.
Publisher: National Archives and Records Service
Published: 1972
Place of publication: Washington
Language: eng
Number of pages: 140
Subjects: Motion pictures -- Catalogs; Filmstrips -- Catalogs
Genres: Catalogs.