| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Angelic Monks and Earthly Men: Monasticism and its Meaning to Medieval Society | 978-0-85115-737-5 (0-85115-737-8) | 1999 | |
| The Pagan Middle Ages | 978-0-85115-638-5 (0-85115-638-X) | 1998 | Tanis Guest |