The Philadelphia plan: congressional oversight of administrative agencies (the Department of Labor) : hearings before the Subcommittee on Separation of Powers of the Committee on the Judiciary, United States Senate, Ninety-first Congress, first session, on the Philadelphia plan and S. 931, a bill to restore an appropriate separation of powers within the federal government in the area of equal employment opportunities and to preclude uncroachment up on the legislative powers and functions of the Congress in this area, October 27 and 28, 1969.