| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Colloquial Irish 2: The Next Step in Language Learning | Paperback | 978-0-367-20301-6 | 2019 | Tomás Ó hÍde · Máire Ní Neachtain · John Gillen |
| Colloquial Irish: The Complete Course for Beginners | " | 978-1-138-95844-9 | 2015 | Thomas Ihde · Maire Ni Neachtain · John Gillen |
| Colloquial Irish: The Complete Course for Beginners | " | 978-0-415-38129-1 | 2008 | Thomas Ihde · Maire Ni Neachtain · John Gillen |
| Colloquial Irish: The Complete Course for Beginners | " | 978-0-415-38130-7 | 2008 | Thomas Ihde · Maire Ni Neachtain · John Gillen |
| Colloquial Irish: The Complete Course for Beginners | Hardcover | 978-0-415-38131-4 | 2007 | Thomas Ihde · Maire Ni Neachtain · John Gillen |
| The Ancient Celts: New Perspectives | " | 978-1-57607-835-8 | 2005 | |