Boyle, D. G. A students' guide to Piaget, by D. G. Boyle. - [1st ed.] - Oxford, New York, Oxford, New York, Pergamon Press [1969] - The Commonwealth and international library. Psychology division . Bibliography: p. 148-150. ISBN: 0080064078 LCCN: 77094056 //r892 Subjects--Personal Names: Piaget, Jean, 1896- Piaget, Jean, 1896- Subjects--Topical Terms: Child psychology. LC Class. No.: BF721 / .B67 1969 Dewey Class. No.: 155.41/3/0924