| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Etnisk nasjonalisme: Folkegrupper og konflikter i Kaukasia og Sentral-Asia | 978-82-518-3253-3 (82-518-3253-5) | 1994 |
| Loan compounds in Bulgarian reflecting the Turkish indefinite izafet-construction | 978-82-00-01951-0 (82-00-01951-9) | 1980 |
| Low Colloquial and Dialectal Elements in the Russian Comedy of the 18th Century | 978-82-00-06158-8 (82-00-06158-2) | 1974 |