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- Language: English
- Year: 2005
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- Language: English
- Year: 2009
- Author: Brosda Carsten, Bührmann Andrea D., Bussemer Thymian, Demokratie Denkwerk, Diermann Melanie, Fahimi Yasmin, Guggemos Michael, Hoch Thomas, Hönigsberger Herbert, Kellermann Christian, Klatt Johanna, Lemke Steffi, Lorenz Robert, Mikfeld Benjamin, Müller-Hilmer Rita, Münkler Herfried, Nahles Andrea, Nonhoff Martin, Pörksen Uwe, Schildmann Christina, Siller Peter, Turowski Jan, Vester Michael, Wehling Elisabeth
- Language: German
- Year: 2014
- Author: Edith Huber
- Language: German
- Year: 2019
- Author: Тиме Г. А.
- Language: Русский
- Year: 2011
- Author: Rahel Jaeggi Daniel Loick
- Language: German
- Year: 2014
