Production of field crops : a textbook of agronomy / by T. K. Wolfe and M. S. Kipps. Wolfe, Thomas Kennerly, 1892- [from old catalog] Kipps, Michael Smith, 1900- [from old catalog] joint author. Field crops. Agriculture United States. SB185 .W8 1959 630 WOP Includes bibliography. New York : McGraw-Hill, c1959. c1959. 1959 Text x, 653 p. : eng McGraw-Hill publications in the agricultural sciences [from old catalog] United States.