- Author: Christian Callin John Frøshaug
- Language: Norwegian
- Year: 1975
- Author: Christian Callin John Frøshaug
- Language: Norwegian
- Year: 1977
- Author: Christian Callin John Frøshaug
- Language: Norwegian
- Year: 1977
- Author: Christian Callin John Frøshaug
- Language: Norwegian
- Year: 1978