| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1999 | 978-0-9534877-0-7 | Martin Ball | Bringing the Work on, 1675-80: The Early English Balance Spring Watch |
| 2005 | 978-0-9534877-1-4 | Martin Ball | Pendulum Watches for the Pocket: The English Balance Spring Watch 1660 to 1680 |