| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Brehon Laws: A Legal Handbook | 978-1-4455-0798-9 (1-4455-0798-6) | 2010 |
| The Irish republic. Why?: non-official statement prepared for submission to the Peace conference | 978-1-112-10420-6 (1-112-10420-8) | 2009 |