Kagan, Jerome. Change and continuity in infancy [electronic resource] / [by] Jerome Kagan, with the collaboration of Robert B. McCall [and others]. — New York, : Wiley, [1971]. — xiii, 298 p. : illus. 24 cm. Bibliography: p. [195]-204. ISBN: 0471454192 LCCN: 71152498 Subjects--Topical Terms: Infants.Child psychology. LC Class. No.: BF723.I6 / K3 1971 Dewey Class. No.: 155.42/2