- Author: Williams George
- Language: English
- Author: Williams George Mason
- Language: English
- Year: 2011
- Author: Lynch Andrew, McGarrity Nicola, Williams George
- Language: English
- Year: 2015
- Author: Williams Erin Scott, Williams George W
- Language: English
- Year: 2016
- Author: Peter J. Anderson Michael Williams George Ogola
- Language: English
- Year: 2013
- Author: Vasilios Fragoulakis, Christina Mitropoulou, Marc Williams, George Patrinos
- Language: English
- Year: 2015
- Author: Chris G. Williams George W. Clingerman
- Language: English
- Year: 2011
- Author: Chris G. Williams George W. Clingerman
- Language: English
- Year: 2011
- Author: Chris G. Williams George W. Clingerman
- Language: English
- Year: 2011