"First published in French 1941 under the title La genèse du nombre chez l'enfant"--T.p. verso.
Published by arrangement with Humanities Press, Inc.
Includes index.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The child's conception of number by Jean Piaget. ISBN 9780393003246. Published by W. W. Norton & Co. in 1965. Publication and catalogue information, links to buy online and reader comments.
