Fourth-Class Mail : hearings before the United States House Committee on Post Office and Civil Service, Subcommittee on Postal Rates, Eighty-Ninth Congress, first session, on Apr. 13, May 26, June 11, 16, 23, 30, July 8, 13-15, 1965.

Considers H.R. 5938 and identical H.R. 7032 and H.R. 7114, to transfer authority for fixing rates of postage on fourth class mail from the Postmaster General to Congress.