| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Danish | 978-0-340-86044-1 (0-340-86044-8) | 2003 | |
| Danish | 978-0-340-86045-8 (0-340-86045-6) | 2003 | |
| The Way to Danish: A Textbook in the Danish Language | 978-87-16-00998-2 (87-16-00998-3) | 1979 | Erling Norlev |