Aschehoug · Universitetsforlaget
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Klosterlasse: Stormfuglen som ville gjenerobre Norden for katolisismen | 978-82-03-17984-6 (82-03-17984-3) | 1998 |
| Rome and the Counter-Reformation in Scandinavia: Until the establishment of the S. Congregatio de Propaganda Fide in 1622, based on source material in ... in the history of Christian thought) | 978-82-00-06165-6 (82-00-06165-5) | 1963 |