- Author: Seip Jens Arup
- Language: Norwegian
- Year: 1988
- Author: Krogh Thomas
- Language: Norwegian
- Year: 1978
- Author: Karl Jaspers
- Language: Norwegian
- Year: 1965
- Author: Karl Jaspers
- Language: Norwegian
- Year: 1990
- Author: Jean-Paul Sartre
- Language: Norwegian
- Year: 1967
- Author: Jean-Paul Sartre
- Language: Norwegian
- Year: 1966
- Author: Jean-Francois Lyotard
- Language: Norwegian
- Year: 1992
- Author: Jean-Paul Sartre
- Language: Norwegian
- Year: 1994