1. The infidel and the professor: David Hume, Adam Smith, and the friendship that shaped modern thought;Rasmussen,2017
2. Philosophy of psychopharmacology: smart pills, happy pills, pep pills;Stein,2008
3. Defending science – within reason: between scientism and cynicism;Haack,2003
4. Philosophy in the flesh: the embodied mind and its challenge to Western thought;Lakoff,1999
5. Principles of categorization;Rosch,1978