- Author: Darwin Porter, Roy Moseley
- Language: English
- Year: 2011
- Author: Porter Roy(Editor)
- Language: English
- Year: 1996
- Author: Porter Roy
- Language: English
- Year: 1990
- Author: Porter Roy
- Language: English
- Year: 1990
- Author: Porter Roy
- Language: English
- Year: 2009
- Author: Jones Colin, Porter Roy
- Language: English
- Year: 2006
- Author: Haslam John, Matthews James Tilly, Porter Roy
- Language: English
- Year: 2014
- Author: Porter Roy
- Language: English
- Year: 2013
- Author: Porter Roy, Trotter Thomas
- Language: English
- Year: 2014
- Author: Porter Roy, Wear Andrew
- Language: English
- Year: 2019