R. L · R. Lomas · Richard A. Lomas · Richard L.
John Donald Publishers Ltd · Tuckwell Press Ltd
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Power in the Land: The Percys | 978-1-86232-067-3 (1-86232-067-5) | 1999 |
| The Fall of the House of Percy | 978-0-85976-647-0 (0-85976-647-0) | 2007 |