Reduced postal rates for certain mailings of educational and nonprofit organizations.
Subtitle: Hearing before the Committee on Post Office and Civil Service, House of Representatives, Eighty-seventh Congress, first session, on H. R. 2587, July 28, 1961.
Publisher: U.S. Govt. Print. Off.
Published: 1961
Place of publication: Washington
Language: eng
Number of pages: 15
Subjects: Postal rates -- United States.