Dublin Institute for Advanced Studies · Houghton Mifflin · Oxford University Press
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| How to Kill a Dragon: Aspects of Indo-European Poetics | 978-0-19-514413-0 | 2001 |
| Indo-European Origins of the Celtic Verb: The Sigmatic Aorist Pt. 1 | 978-0-901282-24-8 | 1970 |
| The American Heritage Dictionary of Indo-European Roots | 978-0-618-08250-6 | 2000 |
| The American Heritage Dictionary of Indo-European Roots | 978-0-395-36070-5 | 1985 |
| The American Heritage Dictionary of Indo-European Roots: Second Edition | 978-0-395-98610-3 | 2000 |