Financial or business interests of officers or employees of the Senate. Part 20, Testimony of Hon. Clifford P. Case, a U.S. Senator from the State of New Jersey, May 12, 1964 : hearings before the Committee on Rules and Administration, United States Senate, Eighty-eighth Congress, first and second sessions pursuant to S. Res. 212 and S. Res. 291, resolutions authorizing an investigation into the financial or business interests of any officer or employee or former officer or employee of the Senate