World war on hunger. Hearings before the Committee on Agriculture, House of Representatives, Eighty-ninth Congress, second session, on H. R. 12152, H. R. 12784, and H. R. 12785, February 14, 15, 16, 17, 18, 23, 24, 25, 28, March 1, 2, 9, 10, and 22, 1966. Serial W. Together with staff summary of testimony presented by public witnesses at hearings on world food and population problems, February 14-18, 1966. (1966)