Statement of Purpose and Need for the Legislation Requested by the Postmaster General "to Repeal the Provisions of Law Relating to the Fixing by the Postmaster General, with the Consent of the Interstate Commerce Commission, of Rates of Postage on Fourth-class Mail, and for Other Puroses", May 1, 1963, Committee Print, 88-1
United States. Congress. House. Post Office and Civil Service
Free