| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Hvad Siger Du? | 978-87-500-2654-9 | 1982 | |
| Hvad Siger Du?: Bk. 2 | 978-87-500-2655-6 | 1989 | |
| Hvad Siger Du?: Teachers' Guide | 978-87-500-2691-4 | 1987 | |
| OSV | 978-87-500-2624-2 | 1989 | Kirsten E Eriksen |
| OSV | 978-87-500-2658-7 | 1984 | " |
| OSV: Teachers' Guide | 978-87-500-2897-0 | 1990 | " |
| Snak Sammen: Bk. 1 | 978-87-500-2766-9 | 1988 | |
| Snak Sammen: Teachers' Guide | 978-87-500-2862-8 | 1989 | |