
- Author: William S. Cooper
- Language: English
- Year: 2001

- Author: Michael E. Bratman
- Language: English
- Year: 1999

- Author: Christopher S. Hill
- Language: English
- Year: 1991

- Author: Alan Wertheimer
- Language: English
- Year: 2003

- Author: Brian Ellis
- Language: English
- Year: 2001

- Author: Richard A Richards
- Language: English
- Year: 2010

- Author: Steven A Hetcher
- Language: English
- Year: 2004

- Author: André Gallois
- Language: English
- Year: 2008

- Author: D. M. Armstrong
- Language: English
- Year: 1983