| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Myth of the Year, Returning to the Origin of the Druid Calendar | 978-0-7618-2572-2 (0-7618-2572-X) | 2003 | Helen Benigni · Barbara Carter · Eadhmonn Ua Cuinn |
B. C · Barbara C. · H. Barbara · H. C. · Helen Carter