- Author: Eckart Liebau (editor), Jörg Zirfas (editor)
- Language: German
- Year: 2014
- Author: Eckart Liebau (editor), Jörg Zirfas (editor)
- Language: German
- Year: 2015
- Author: Eckart Liebau (editor), Jörg Zirfas (editor)
- Language: German
- Year: 2015
- Author: Eckart Liebau (editor), Jörg Zirfas (editor)
- Language: German
- Year: 2015
- Author: Eckart Liebau (editor), Jörg Zirfas (editor)
- Language: German
- Year: 2014
- Author: Peter Bubmann (editor), Eckart Liebau (editor)
- Language: German
- Year: 2016
- Author: Eckart Liebau (editor), Jörg Zirfas (editor)
- Language: German
- Year: 2014