Humphrey, George The nature of learning : in its relation to the living system / George Humphrey. - vii, 296 p. ; 23 cm. - Cognitive psychology ; v. 4 International library of psychology . - Cognitive psychology ; v. 4. International library of psychology. . Includes bibliographical references and index. ISBN: 0415209595 Subjects--Topical Terms: Cognitive psychologyLearning, Psychology of. Dewey Class. No.: 153