| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Connecting Math for Elementary Teachers | 978-0-321-54266-3 (0-321-54266-5) | 2008 | Keith Schwingendorf · Jeff Gregg |
| Print Upgrade for Connecting Math for Elementary Teachers: How Children Learn Mathematics | 978-0-321-92232-8 (0-321-92232-8) | 2013 | Keith Schwingendorf · Jeff Gregg |