- Author: Christine Stief Christian Stang
- Language: Spanish
- Year: 2017
- Author: Christian Stang
- Language: German
- Year: 1939
- Author: Christine Stief Christian Stang
- Language: German, Русский
- Year: 2002
- Author: Christine Stief Christian Stang
- Language: German, Русский
- Year: 2002
- Author: Christian Stang
- Language: German
- Year: 2006
- Author: Christine Stief Christian Stang
- Language: English
- Year: 2010
- Author: Christine Stief Christian Stang
- Language: English
- Year: 2002
- Author: Christian Stang
- Language: German
- Year: 2005