| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Health & Safety at Work Essentials | 978-1-910143-00-1 (1-910143-00-6) | 2014 | Mary Duncan |
| Health and Safety at Work Essentials | 978-1-906971-37-3 (1-906971-37-4) | 2010 | Penny Heighway · Mary Duncan |