Bentley, Kenneth Walter. The chemistry of the morphine alkaloids / Kenneth Walter, Bentley . - Oxford: Clarendon Press , 1954. - xix, 433 p. : diagrs, tables ; 24 cm. - Monographs of the chemistry of natural products. . Includes bibliographical references. Subjects--Topical Terms: Morphine.Alkaloids. Dewey Class. No.: 547.72