H B · J.B. · J. H. · J.H. Becking
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Owls | 978-1-873403-74-7 | 2000 | Claus Konig · Freidhelm Weick |
| Owls: A Guide to the Owls of the World | 978-0-300-07920-3 | 1999 | Claus Konig · Friedhelm Weick |
| Owls of the World | 978-0-300-14227-3 | 2009 | Claus König · Friedhelm Weick |
| Owls of the World | 978-0-7136-6548-2 | 2008 | Claus Konig · Freidhelm Weick |
A & C Black Publishers Ltd · Pica Press · Yale University Press