| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Radnorshire A Historical Guide | 978-1-84524-141-4 | 2009 | |
| The History of the Western Highlands and Isles of Scotland | 978-1-904607-57-1 | 2008 | |
| The History of the Western Highlands and Isles of Scotland, from A.D. 1493 to A.D. 1625: With a Brief Introductory Sketch, from A.D. 80 to A.D. 1493 | 978-1-144-56090-2 | 2010 | |
| Voice & Data Communications Handbook, Fifth Edition | 978-0-07-226335-0 | 2007 | Regis Bud J. Bates |
D G · D. Gregory · Donald G. · Donald R Gregory · Donald W. Gregory
John Donald Short Run Press · Llygad Gwalch Cyf · McGraw-Hill · Nabu Press