- Author: Camilla E. Watson
- Language: English
- Year: 2011
- Author: Fishman Stephen
- Language: English
- Year: 2006
- Author: Birnbaum Jeffrey H., Murray Alan S
- Language: English
- Year: 1988
- Author: Boortz Neal, Linder John, Woodall Rob
- Language: English
- Year: 2009
- Author: Stanley S. Surrey
- Language: English
- Year: 2013