District of Columbia appropriations for fiscal year 1967: hearings before the subcommittee of the Committee on Appropriations, United States Senate, Eighty-ninth Congress, second session, on H.R. 17636, an act making appropriations for the government of the District of Columbia and other activities chargeable in whole or in part against the revenues of said district for the fiscal year ending June 30, 1967, and for other purposes.