- Author: Burt Hopkins Steven Crowell
- Language: English
- Year: 2014
- Author: Burt Hopkins Steven Crowell (eds.)
- Language: English
- Year: 2003
- Author: Burt Hopkins Steven Crowell (eds.)
- Language: English
- Year: 2007
- Author: Burt Hopkins Steven Crowell
- Language: English
- Year: 2014
- Author: Burt Hopkins Steven Crowell
- Language: English
- Year: 2015