| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Hafodlas Slate Quarry, Bettws-y-Coed | 978-0-9533692-0-1 (0-9533692-0-X) | 1998 |
| Rhiwbach Slate Quarry: Its History and Development | 978-0-9533692-2-5 (0-9533692-2-6) | 2005 |
| The rock cannon of Gwynedd | 978-0-9533692-1-8 (0-9533692-1-8) | 2002 |
G J · G. Jones · G. R. Jones · Griff Jones · Griff Rh. Jones · Griff Rhys Jones · R.J. · R. Jones