| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Where to Watch Birds in North West England and the Isle of Man | 978-O-7136-6421-8 (O-7136-6421-5) | 2008 | Allan Conlin · Chris Sharpe · Judith Smith · Pete Marsh · Stephen Williams · Tristan Reid |
C.D. · J C · J. Cullen · J.D. · J. P. · J.P. Cullen · P. C. · P. Cullen