- Author: Gerhard Augst (editor), Karl Blüml (editor), Dieter Nerius (editor), Horst Sitta (editor)
- Language: German
- Year: 1997
- Author: Helmut Henne (editor), Horst Sitta (editor), Herbert Ernst Wiegand (editor)
- Language: German
- Year: 2003
- Author: Horst Sitta, Hans Josef Tymister
- Language: German
- Year: 1978
- Author: Horst Sitta (editor), Universität / Deutsches Seminar (editor)
- Language: German
- Year: 1980
- Author: Axel Gellhaus (editor), Horst Sitta (editor)
- Language: German
- Year: 2000
- Author: Manuel Baumbach (editor) Horst Sitta (editor) Fabian Zogg (editor)
- Language: German
- Year: 2019
- Author: Peter Gallmann Horst Sitta
- Language: German
- Year: 1996
- Author: Manuel Baumbach, Horst Sitta, Fabian Zogg
- Language: German
- Year: 2019
- Author: Peter Gallmann Horst Sitta
- Language: German
- Year: 1996
- Author: Peter Gallmann Horst Sitta
- Language: German
- Year: 1996