Nominations of Murat W. Williams, George W. Ball, Roger W. Jones, and G. Mennen Williams: hearing before the Committee on Foreign Relations, United States Senate, Eighty-seventh Congress, first session, on the nominations of Murat W. Williams as Ambassador to El Salvador, George W. Ball as Under Secretary of State for Economic Affairs, Roger W. Jones as Deputy Under Secretary of State for Administration, and G. Mennen Williams as Assistant Secretary of State for African Affairs. January 24, 1961.