The foreign aid program : hearings before the Special Committee to Study the Foreign Aid Program, United States Senate, Eighty-fifth Congress, first session (pursuant to S. Res. 285, 84th Cong., and S. Res. 35, 85th Cong.), March 20, 22, 25, 27, 29, and April 1, 3, 5, 8, 10, 12, and 15, 1957