- Author: Jay Storer Robert Maddox
- Language: English
- Year: 2005
- Author: Tim Imhoff
- Language: English
- Year: 2009
- Author: Jay Storer
- Language: English
- Year: 2009
- Author: Kerry A. Freeman
- Language: English
- Year: 1996
- Author: Robert Maddox
- Language: English
- Year: 2007
- Author: John H. Haynes
- Language: English
- Year: 1994
- Author: Matthew E. Frederick
- Language: English
- Year: 1996
- Author: George B. Heinrich Robert Maddox
- Language: English
- Year: 2007