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- Language: German
- Year: 2004
- Author: Samuel Hahnemann
- Language: German
- Year: 2005
- Author: Eberhard J. Wormer Johann A. Bauer
- Language: German
- Year: 2006
- Author: Nicolette Bohn Roland Biewald
- Language: German
- Year: 2006
- Author: Johann W. von Goethe
- Language: German
- Year: 2006
- Author: Henri Gault Christian Millau
- Language: German
- Year: 2004
- Author: Ulf Diederichs
- Language: German
- Year: 2007
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- Language: German
- Year: 2007
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- Language: German
- Year: 2007
- Author: Peter Calvocoressi
- Language: English
- Year: 2007