- Author: Henning Graf Reventlow Yair Hoffman
- Language: English
- Year: 2010
- Author: Henning Graf Reventlow Yair Hoffman
- Language: English
- Year: 2008
- Author: Henning Graf Reventlow Yair Hoffman
- Language: English
- Year: 1992
- Author: Henning Graf Reventlow Yair Hoffman
- Language: English
- Year: 2004
- Author: Henning Graf Reventlow Yair Hoffman
- Language: English
- Year: 2002