Hill, Albert Frederick, 1889- Economic botany; a textbook of useful plants and plant products / Albert F. Hill. - 2d ed. - New Delhi :, Tata McGraw-Hill Publishing, c1952. - xii, 560 p. illus. 24 cm. Includes bibliographical references and index. Subjects--Topical Terms: Botany, Economic. LC Class. No.: SB107 / .H54 1952 Dewey Class. No.: 581.6