| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Et lite stykke Norge: Freia 100 år | 978-82-518-3683-8 (82-518-3683-2) | 1998 | |
| Northern Europe: An Environmental History | 978-1-85109-374-8 (1-85109-374-5) | 2005 | Tamara L. Whited · Jens I. Engels · Richard C. Hoffmann · Wybren Verstegen |