| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Nightjars: A Guide to the Nightjars, Frogmouths, Potoos, Oilbird and Owlet-nightjars of the World | 978-1-873403-48-8 (1-873403-48-8) | 2000 | Nigel Cleere |
| Woodpeckers: An Identification Guide to the Woodpeckers of the World | 978-0-395-72043-1 (0-395-72043-5) | 1995 | Hans Winkler · David A. Christie |