| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Arthurian epic.: A comparative study of the Cambrian, Breton, and Anglo-Norman versions of the story and Tennyson's Idylls of the king, | 978-1-4297-9217-2 (1-4297-9217-5) | 2009 |
H.G. · S. G. · S H · S. Humphreys · Stephen G. · Stephen H. · Stephen Humphreys