- Author: Dunn Vincent
- Language: English
- Year: 1992
- Author: Cook John Lee
- Language: English
- Year: 1998
- Author: Mittendorf John
- Language: English
- Year: 1998
- Author: Brian G. Anderson
- Language: English
- Year: 2005
- Author: Gordon M. Sachs
- Language: English
- Year: 1999
- Author: Paul Spurgeon
- Language: English
- Year: 2012