James G. Dickson Diseases of Field Crops. Ed 2 - 2nd Edition. - New York McGraw Hill Book Co.Inc 1956 - 517p James G. Dickson: Diseases of Field Crops. Ed 2. (2nd Edition.) New York. McGraw Hill Book Co.Inc, 1956.--(632.3DIC) ENGLISH Dewey Class. No.: 632.3 / DIC