Mussen, Paul Henry. Trends and issues in developmental psychology edited by Paul Mussen, Jonas Langer [and] Martin Covington. - New York Holt, Rinehart and Winston [1969] - xi, 212 p. illus. 24 cm. Includes bibliographies. ISBN: 0030786150 LCCN: 70081180 //r902 Subjects--Topical Terms: Child psychology LC Class. No.: BF721 / .M93 Dewey Class. No.: 155.4