- Author: Patrick L. Bourgeois
- Language: English
- Year: 2013
- Author: Christina Howells
- Language: English
- Year: 2004
- Author: Phillip Deen, John Dewey, Larry A. Hickman
- Language: English
- Year: 2012
- Author: Volker Schmidt
- Language: English
- Year: 2007
- Author: William J. Gavin, Professor and Chair William J Gavin
- Language: English
- Year: 2013
- Author: David Jones, Jason M. Wirth, Michael Schwartz
- Language: English
- Year: 2010
- Author: Anthony Kenny
- Language: English
- Year: 2017
- Author: Andrew Bernstein
- Language: English
- Year: 2009
- Author: Baruch Spinoza
- Language: English
- Year: 2014
- Author: Marshall Berman
- Language: Spanish
- Year: 2014