Dickson, James Geere, 1891- Diseases of field crops. James G. Dickson, Ph.D. - 2d ed. - New York, McGraw-Hill, 1956. - 517 p. illus. 24 cm. - McGraw-Hill publications in the agricultural sciences . ISBN: 070168040 LCCN: 56008172 Nat. Bib. No.: GB57-560 Subjects--Topical Terms: Field crops--Diseases LC Class. No.: SB601 / .D48 1956 Dewey Class. No.: 632.3 / D554