R.K. · Ralf Käppele · Ralf Kapalla · Ralph Kovel · Rolf Kappel · Rolf Koppel
BrownTrout Publishers Inc · Browntrout Pubs (Cal)
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Squirrels 2006 Calendar | 978-0-7631-9518-2 | 2005 |
| Squirrels 2007 Calendar | 978-1-4216-0513-5 | 2006 |
| Wolves 2007 Calendar | 978-1-4216-0535-7 | 2006 |
| Wolves Mini 2006 Calendar | 978-0-7631-8775-0 | 2005 |