Mangelsdorf, Paul C. 1899- Corn : its origin, evolution and improvement / Paul C. Mangelsdorf - Cambridge, Mass. : Belknap Press of Harvard University Press, 1974 - xiv, 262 p. : ill. ; 27 cm. Includes bibliographical references and index ISBN: USD 20.00 Subjects--Topical Terms: Corn Dewey Class. No.: 633.1