- Author: Michael Wells, Hilary Buckley, Harold Fox
- Language: English
- Year: 2009
- Author: M. C. Anderson, Michael Wells, John A. Tidy, Harold Fox
- Language: English
- Year: 1991
- Author: Harold Fox Matthew Tompkins Christopher Dyer
- Language: English
- Year: 2012
- Author: Harold Fox (auth.)
- Language: English
- Year: 1984