- Author: Enno Rudolph, Bernd O Küppers
- Language: German
- Year: 1995
- Author: Bernd-Olaf Küppers
- Language: English
- Year: 2018
- Author: Bernd-Olaf Küppers Paul Woolley
- Language: English
- Year: 2017
- Author: Bernd-Olaf Küppers (auth.)
- Language: English
- Year: 2018
- Author: Dagfinn Føllesdal (auth.) Bernd-Olaf Küppers Udo Hahn Stefan Artmann (eds.)
- Language: English
- Year: 2013
- Author: Bernd-Olaf Küppers (auth.)
- Language: English
- Year: 1983
- Author: Bernd-Olaf Küppers
- Language: English
- Year: 1985
- Author: Bernd-Olaf Küppers
- Language: English
- Year: 1990