- Author: Gerhard Wagner
- Language: German
- Year: 1998
- Author: Gerhard Wagner
- Language: German
- Year: 1939
- Author: Gerhard Wagner
- Language: German
- Year: 1939
- Author: Gerhard Wagner
- Language: German
- Year: 2014
- Author: Gerhard Wagner
- Language: German
- Year: 2013
Mediationsrecht
pdf
- Author: Gerhard Wagner (editor)
- Language: German
- Year: 1918
- Author: Willem H. van Boom (editor), Gerhard Wagner (editor)
- Language: English
- Year: 2014
- Author: Ken Oliphant (editor), Gerhard Wagner (editor)
- Language: English
- Year: 2012