Authorizing educational films and related material to be transmitted at book rates.
Subtitle: Hearing, Eighty-third Congress, first session, on S. 971. May 15, 1953
Publisher: U.S. Govt. Print. Off.
Published: 1953
Place of publication: Washington
Language: eng
Number of pages: 22
Subjects: Audio-visual education; Postal service -- United States -- Book rates