| Child's Conception of Number : Selected Works vol 2 Jean Piaget / New - Hardcover | AHA-BUCH GmbH | | $584.66 |
| Child's Conception of Number, Vol. 2 Piaget Jean / New - Hardcover | Biblios | | $581.80 |
| Child's Conception of Number Piaget, Jean / Used - Hardcover | GreatBookPricesUK | As new | $536.46 |
| Child's Conception of Number, Vol. 2 Jean Piaget / New - Hardcover | Books Puddle | | $522.43 |
| Child's Conception of Number Piaget, Jean / New - Hardcover | GreatBookPricesUK | | $508.01 |
| Child's Conception of Number Piaget, Jean / Used - Hardcover | GreatBookPrices | As new | $500.00 |
| Child's Conception of Number Piaget, Jean / New - Hardcover | GreatBookPrices | | $500.00 |
| The Child's Conception of Number (Jean Piaget Selected Works, Volume 2) PIAGET, JEAN / Used - Hardcover | Green Ink Booksellers | | $138.27 |
| The Child's Conception of Number Piaget, Jean / Used - Hardcover | PsychoBabel & Skoob Books | | $67.75 |
| The Child's Conception of Number Piaget, Jean / Used - Hardcover | Bookcase | 1st Edition | $55.31 |
| The Child's Conception of Number Piaget, J. / Used - Hardcover | Anybook.com | | $51.90 |