- Author: Christian Gross (editor)
- Language: German
- Year: 1880
- Author: Christian Gross
- Language: Spanish
- Year: 2012
- Author: Christian Gross (auth.)
- Language: English
- Year: 2006
- Author: Christian Gross (auth.)
- Language: English
- Year: 2008
- Author: Christian Gross
- Language: English
- Year: 2
- Author: Christian Gross
- Language: English
- Year: 2006
- Author: Christian Gross (auth.)
- Language: English
- Year: 2008
- Author: Christian Gross (auth.)
- Language: English
- Year: 2007
- Author: Christian Gross (auth.)
- Language: English
- Year: 2006
- Author: Christian Gross
- Language: English
- Year: 2008