Population and food supply: essays on human needs and agricultural prospects; edited by Sir Joseph Hutchinson. Hutchinson, Joseph Burtt, Sir, 1902- ed. Food supply. Population. HD9000.5 .P63 338.19 HUP Based on lectures organized by the Faculty Board of Agriculture of the University of Cambridge, 1966. Bibliography: p. 138-139. London, Cambridge U.P., 1969. 1969. 1969 Text viii, 144 p. eng