Future role of the U.S. Bureau of Prisons : hearings before the Subcommittee on National Penitentiaries of the Committee on the Judiciary, United States Senate, Ninety-second Congress, first session : the purpose of these hearings is oversight of the work of the U.S. Bureau of Prisons. The basic subject for discussion is the 10-year plan which the Bureau of Prisons has prepared in response to President Nixon's request in his message of November 1969 on corrections, March 2 and 3, 1971