- Author: Klaus Koch, Friedhelm Hartenstein, Martin Rösel
- Language: German
- Year: 2006
- Author: Ulrich Schallmoser, Sebastian Spiegelberger, Andreas Fietz, Ottmar Fleischer, Stefan Gottwald, Klaus Koch, Thomas Küffner, Martin Leiß, Manfred Rapp, Lucas Wartenburger
- Language: German
- Year: 2014
- Author: Ulrich Schallmoser, Sebastian Spiegelberger, Ottmar Fleischer, Stefan Gottwald, Klaus Koch, Thomas Küffner, Martin Leiß, Manfred Rapp, Lucas Wartenburger
- Language: German
- Year: 2017
- Author: Professor Dr. Klaus Koch (auth.)
- Language: German
- Year: 1963
- Author: Hurrelmann Klaus, Koch Claus
- Language: German
- Year: 2016
- Author: Vera Zylka-Menhorn Klaus Koch (auth.)
- Language: German
- Year: 1996
- Author: Professor Dr. Klaus Koch (auth.)
- Language: German
- Year: 1970
- Author: Professor Dr. Klaus Koch (auth.)
- Language: German
- Year: 1963
- Author: Klaus Koch
- Language: German
- Year: 1981