- Author: John M. Walker
- Language: English
- Year: 1994
- Author: John C.F. Walker
- Language: English
- Year: 2006
- Author: Walker R.G. James N.P.
- Language: English
- Year: 1992
- Author: Alan Rushton Steve Walker
- Language: English
- Year: 2007
- Author: Pål Nyrén (auth.) John M. Walker Sharon Marsh (eds.)
- Language: English
- Year: 2007
- Author: Richard Walker
- Language: English
- Year: 2006
- Author: Nicholas A. Boon Nicki R. Colledge Brian R. Walker John Hunter
- Language: English
- Year: 2006
- Author: Caye Drapcho John Nghiem Terry Walker
- Language: English
- Year: 2008
