| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Elephant Tracks: On the Trail of Gold Rush Song | 978-0-9628890-8-0 (0-9628890-8-3) | 1998 |
| The Celtic harp at Stonehenge: The structure of ancient British and Celtic learning | 978-0-9628890-1-1 (0-9628890-1-6) | 1994 |
| The Historical Method of the Celric Harp: The Ancient British Small Harp, the Diaronic Welsh Bray Harp and the Irish Clairseach | 978-0-9628890-0-4 (0-9628890-0-8) | 1991 |