Brill Academic Publishers · Futura Publications · Swallow Press
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| A Living Dinosaur: In Search of Mokele-Mbembe | 978-90-04-08543-5 | 1987 |
| Monsters of Loch Ness | 978-0-8040-0704-7 | 1980 |
| Searching for Hidden Animals: An Inquiry into Zoological Mysteries | 978-0-385-14897-9 | 1980 |
| The MONSTERS OF LOCH NESS. | 978-0-86007-381-9 |