- Author: Michael Barr Charles Wells
- Language: English
- Year: 2013
- Author: Michael Barr Charles Wells (auth.)
- Language: English
- Year: 1985
- Author: Michael Barr Charles Wells
- Language: English
- Year: 1984
- Author: Michael Barr Charles Wells
- Language: English
- Year: 1984
- Author: Michael Barr Charles Wells
- Language: English
- Year: 1990
- Author: Michael Barr Charles Wells
- Language: English
- Year: 1990
- Author: Michael Barr Charles Wells
- Language: English
- Year: 1985
- Author: Michael Barr Charles Wells (auth.)
- Language: English
- Year: 1985
- Author: Michael Barr Charles Wells
- Language: English
- Year: 1996