
- Author: Douglas A.Van Belle
- Language: English
- Year: 2000

- Author: Matthew Fuhrmann
- Language: English
- Year: 2012

- Author: J. C. Sharman
- Language: English
- Year: 2011

- Author: Chad Rector, C. Rector
- Language: English
- Year: 2010

- Author: Paul Lettow
- Language: English
- Year: 2010

- Author: Paul B. Stares, Micah Zenko
- Language: English
- Year: 2011

- Author: Charles H. Sides
- Language: English
- Year: 2005