| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1998 | 978-0-9531889-0-1 | Jacqui Welham | Recreational Diving Health and Safety Handbook |
| 2004 | 978-0-9531889-1-8 | Michael Welham ยท Stewart Risk | The Poacher and the Gamekeeper: Leadership for Risk Mitigation in Occupational Safety and Health |