Heald, F. D. 1872- Introduction to plant pathology, by Frederick DeForest Heald ... - 2d ed. - New York, London, McGraw-Hill, 1943. - xii, 603 p. illus. (incl. ports.) 23 cm. - McGraw-Hill publications in the agricultural sciences . Includes bibliographies. LCCN: agr43000203 Subjects--Topical Terms: Plant diseases. LC Class. No.: SB731 / .H38 1943 Dewey Class. No.: 581.2 National Agricultural Library Call No.: 464 / H34 In Ed.2