| Title / Condition | Seller | Highlights | Price |
|---|---|---|---|
| Productive Thinking Wertheimer, Max / Used - Hardcover | Keeper of the Page | Fine | $246.05 |
| (First Edition) 1945 HC Productive Thinking by Wertheimer, Max Wertheimer, Max / Used - Hardcover | Miki Store | 1st Edition | $210.87 |
| Productive Thinking Wertheimer, Max / Used - Hardcover | The Calico Cat Bookshop | $125.00 | |
| PRODUCTIVE THINKING - ENLARGED EDITION 1959 Wertheimer, Max / Used - Hardcover | The Story Shop | Fine | $74.50 |
| Productive Thinking - Enlarged Edition 1959 Max Wertheimer / Used - Hardcover | ThriftBooksVintage | $63.00 |