F. F. · F. J. · F. Johnson
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Evidence of Arthur: Fixing the Legendary King in Factual Place and Time | 978-0-7864-7681-7 (0-7864-7681-8) | 2014 |
| Hengest, Gwrtheyrn and the Chronology of Post-Roman Britain | 978-0-7864-7819-4 (0-7864-7819-5) | 2014 |
| Origins of Arthurian Romances: Early Sources for the Legends of Tristan, the Grail and the Abduction of the Queen | 978-0-7864-6858-4 (0-7864-6858-0) | 2012 |