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