- Author: Wallace B. McClure Rory Blyth Craig Dunn Chris Hardy Martin Bowling
- Language: English
- Year: 2010
- Author: Mary Hardy
- Language: English
- Year: 2003
- Author: Grant Hardy Anne Kinney
- Language: English
- Year: 2005
- Author: Mary Hardy
- Language: English
- Year: 2003
- Author: Hardy G.H. Wright E.M.
- Language: English
- Year: 2008
- Author: Darel W. Hardy Fred Richman Carol L. Walker
- Language: English
- Year: 2009
- Author: Frédéric Dardel François Képès Noah Hardy
- Language: English
- Year: 2006
- Author: Dirk Hardy
- Language: German
- Year: 2008
