Cave Books · Diadem Books · Gomer Press · Wild Places Publishing
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Dan Yr Ogof | 978-1-85902-645-8 | 1999 |
| Darkness Beckons: The History and Development of Cave Diving | 978-0-939748-32-7 | 1991 |
| Diving in Darkness: Beneath Rock, Under Ice, into Wrecks | 978-0-9526701-5-5 | 2003 |
| The Darkness Beckons: History and Development of Cave Diving | 978-0-906371-87-9 | 1991 |
| The Secret World of Porth yr Ogof | 978-1-85902-559-8 | 1998 |
M. F. · Martin Fahr · Martin Farr · Martin Ferry · Martin Frei · Martin Frey · Martin Früh · Martin Führ · Martin Fuhr · Martin Furr