- Author: Paul Lashmar James Oliver
- Language: English
- Year: 1998
- Author: N. J. Higham
- Language: English
- Year: 1997
- Author: Roy Conyers Nesbit
- Language: English
- Year: 1999
- Author: Paul Lashmar James Oliver
- Language: English
- Year: 1999
- Author: Stuart Stirling
- Language: English
- Year: 2000
- Author: Sheila Adam
- Language: English
- Year: 1966