Morgan, James Oscar. Field crops for the cotton-belt / by James Oscar Morgan. - New York : The Macmillan company, 1917. - xxvi p., 1 l., 456 p. : ill. (incl. maps) diagr. ; 20 cm. - The rural text-book series. . LCCN: 17-002193 Subjects--Topical Terms: Agriculture--Southern States. Dewey Class. No.: 633