- Author: Gayle Corkill Ralph Rapley (auth.) John M. Walker Ralph Rapley (eds.)
- Language: English
- Year: 2008
- Author: J.M. Walker R. Rapley
- Language: English
- Year: 2000
- Author: Ralph Rapley (auth.) John M. Walker Ralph Rapley (eds.)
- Language: English
- Year: 2005
- Author: Matthew R. Walker Ralph Rapley(auth.)
- Language: English
- Year: 1997
- Author: Mark Walker Ralph Rapley
- Language: English
- Year: 1997
- Author: John M. Walker Ralph Rapley
- Language: English
- Year: 2005
- Author: Gayle Corkill Ralph Rapley (auth.) John M. Walker Ralph Rapley (eds.)
- Language: English
- Year: 2008
- Author: Gayle Corkill Ralph Rapley (auth.) John M. Walker Ralph Rapley (eds.)
- Language: English
- Year: 2008
- Author: John M. Walker Ralph Rapley
- Language: English
- Year: 2009
- Author: Gayle Corkill Ralph Rapley (auth.) John M. Walker Ralph Rapley (eds.)
- Language: English
- Year: 2008