- Author: Thiele Ulrich
- Language: German
- Year: 2008
- Author: Stulpe Alexander
- Language: German
- Year: 2010
- Author: Skirl Miguel
- Language: German
- Year: 2005
- Author: Schulze Jan-Andres
- Language: German
- Year: 2005
- Author: Scholler Heinrich
- Language: German
- Year: 2010
- Author: Schmitz Wolfgang, Weiler Rudolf
- Language: German
- Year: 1994