Karling, John S. 1898- The Plasmodiophorales : including a complete host index, bibliography, and a description of diseases caused by species of this order / by John S. Karling. - 2nd completely rev. ed. - New York : Hafner, 1968. - xiii, 256 p. : il. LCCN: 68055066 Subjects--Topical Terms: Plasmodiophorales. Dewey Class. No.: 589.2