- Author: Levy Jack S., Goertz Gary
- Language: English
- Year: 2007
- Author: Hume David, Wilson Fred
- Language: English
- Year: 1986
Counterfactuals
djvu
- Author: David K. Lewis
- Language: English
- Year: 2001
- Author: Myers Michael Warren
- Language: English
- Year: 2015
- Author: Birke Dorothee, Köppe Tilmann, Butter Michael
- Language: English
- Year: 2011