P.K. · Pat & Rosemarie Keough · Pat Koch · Piet Kaas
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Antarctica | 978-0-9692557-5-8 (0-9692557-5-6) | 2002 | |
| The Ottawa Valley portfolio | 978-0-9692557-0-3 (0-9692557-0-5) | 1988 | |
| Wild and Beautiful Sable Island: Sand, Seals, Wild Horses, and Shipwrecks | 978-0-9692557-3-4 (0-9692557-3-X) | 1993 | Rosemarie Keough |