- Author: Thomas E. Backer
- Language: English
- Year: 2003
- Author: Michael J. Austin
- Language: English
- Year: 1997
- Author: Andrea J. Nichols
- Language: English
- Year: 2013
- Author: Naples Nancy A
- Language: English
- Year: 2013
- Author: Alinsky Saul David
- Language: English
- Year: 1989