| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Star Temple of Avalon: Glastonbury Ancient Observatory Revealed | Hardcover | 978-0-9555970-5-3 (0-9555970-5-6) | 2007 | Nicholas Mann · John Michell |
| The Star Temple of Avalon: Glastonbury Ancient Observatory Revealed | Paperback | 978-0-9555970-8-4 (0-9555970-8-0) | 2007 | Nicholas Mann |
P.G. · Philip Gilligan · Philip Gleason · Philip Gleissner · Philip Gluckman · Philippe Gloaguen · Philippe Glogauen