- Author: Virginia Yip Stephen Matthews
- Language: English
- Year: 2007
- Author: Stephen Matthews Virginia Yip
- Language: English
- Year: 2010
- Author: Stephen Matthews Virginia Yip
- Language: English
- Year: 2010
- Author: Virginia Yip Stephen Matthews
- Language: English
- Year: 2017
- Author: Virginia Yip
- Language: English
- Year: 1995
- Author: Virginia Yip Stephen Matthews
- Language: English
- Year: 1994
- Author: Virginia Yip, Stephen Matthews
- Language: English
- Year: 2001
- Author: Virginia Yip, Stephen Matthews
- Language: English
- Year: 2000
- Author: Stephen Matthews Virginia Yip
- Language: English
- Year: 1994
- Author: Virginia Yip Stephen Matthews
- Language: English
- Year: 2007