G Hamilton · Gordon A. Hamilton · Gordon H.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 19th & 20th Century Pocket Watches Collectors Price Guide | 978-0-9557191-8-9 (0-9557191-8-6) | 2008 | |
| Socks Are Like Pants, Cats Are Like Dogs: Games, Puzzles, and Activities for Choosing, Identifying, and Sorting Math | 978-0-9776939-0-0 (0-9776939-0-2) | 2016 | Malke Rosenfeld |