- Author: Klaus Volkert (auth.)
- Language: German
- Year: 2013
- Author: Klaus Volkert
- Language: German
- Year: 2018
- Author: Klaus Volkert (eds.)
- Language: German
- Year: 2015
- Author: Klaus Volkert (ed.)
- Language: German
- Year: 2015
- Author: Klaus Volkert (auth.)
- Language: German
- Year: 2013