| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Geology of Norway and Excursions Across Part of the Trondheim Region | 978-82-00-31392-2 (82-00-31392-1) | 1980 |
| Studies in the Trondheim Region Central Norwegian Caledonides: v. 1 | 978-82-00-31227-7 (82-00-31227-5) | 1965 |
| Studies in the Trondheim Region Central Norwegian Caledonides: v. 2 | 978-82-00-31245-1 (82-00-31245-3) | 1969 |