This translation originally published: New York : Random House, 1967; London : University of London Press, 1968. _ Translation of: 'Six études de psychologie'. Paris : Gonthier, 1964.
Bibliography: p.159-162. _ Includes index.
Six psychological studies by Jean Piaget. ISBN 0855278285. Published by Harvester Press in 1980. Publication and catalogue information, links to buy online and reader comments.