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 Subjects--Topical Terms: Child psychology. Dewey Class. No.: 155.4 / TRE 1969