| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Linguistic History of English: From Proto-Indo-European to Proto-Germanic: v. 1 | 978-0-19-955229-0 (0-19-955229-0) | 2008 |
| From Proto-Indo-European to Proto-Germanic: A Linguistic History of English: Volume I: v. 1 | 978-0-19-928413-9 (0-19-928413-X) | 2006 |