Nominations of Nicholas deB. Katzenbach, Eugene V. Rostow, and Foy D. Kohler. : Hearings, Eighty-ninth Congress, second session, on the nominations of Nicholas deB. Katzenbach to be Under Secretary of State, Eugene V. Rostwo to be Under Secretary of State for Political Affairs, and Foy D. Kohler to be Deputy Under Secretary of State for Political Affairs. September 27 and October 4, 1966. (U.S. Govt. Print. Off,, 1966)