| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1999 | 978-1-928938-01-9 | Stephen M. Mullins · David C. Fastenau | Toby & Character Jugs of the 20th Century and Their Makers |
| 2000 | 978-1-928938-02-6 | Stephen M. Mullins · David C. Fastenau | Toby & Character Jugs of the 20th Century & Their Makers: Companion Price Guide |