- Author: Robert Boardman (auth.)
- Language: English
- Year: 1994
- Author: Robert Boardman (auth.)
- Language: English
- Year: 2001
- Author: Robert Boardman (auth.)
- Language: English
- Year: 2010
- Author: Robert Boardman (auth.)
- Language: English
- Year: 1986
- Author: Robert Boardman (auth.)
- Language: English
- Year: 1981