Special Postage Rates for Educational, Cultural, and Library Materials : hearings before the United States Senate Committee on Post Office and Civil Service, Subcommittee on Post Office, Eighty-Sixth Congress, first session, on July 8, 1959.

Considers H.R. 4595, to amend the Postal Rate Increase Act of 1958 to permit the mailing of books, library books, sound recordings, book catalogs, films, and related materials at a special less expensive rate.