Other ISBN range for Birdworld: Birdworld (978-0-9516549-...)
| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1975 | 978-0-9504165-0-2 | Birdworld (Zoological Bird Gardens) | Birdworld |
| 1991 | 978-0-9504165-2-6 | Tony Silva | Psittaculture: Breeding, Rearing and Management of Parrots |
| 1994 | 978-0-9504165-3-3 | Roger Sweeney | The Eclectus: A Complete Guide |