Intergovernmental Cooperation Act of 1965: Hearings Before the Subcommittee on Intergovernmental Relations of the Committee on Government Operations, United States Senate, Eighty-ninth Congress, First Session on S. 561 the Proposed Intergovernmental Cooperation Act of 1965 and S. 689 to Provide for Periodic Congressional Review of Federal Grants-in-aid to States and to Local Units of Government, March 29, 30, 31, and April 1, 2, 1965