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- Language: English
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- Author: Decker Kevin S
- Language: English
- Year: 2017
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- Year: 2012
- Author: Baggini Julian
- Language: German
- Year: 2016
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- Year: 2013
- Author: Arendt Hannah, Kohn Jerome
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- Year: 2011
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- Year: 2014
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- Language: English
- Year: 2014
- Author: Anaximander., Couprie Dirk L., Kočane Radim
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- Year: 2017