Future food and agriculture policy : a program for the next ten years / John Donald Black and Maxine Enlow Kiefer. Black, John D. (John Donald), 1883-1960. Kiefer, Maxine Enlow, joint author. National Planning Association. A food and nutrition program for the nation. Nutrition. Food supply. TX353 .B62 630 BLF New York : McGraw-Hill, c1948. c1948. 1948 Text viii, 348 p. : eng