- Author: Gwyn Davies, Andrew Gardner, Kris Lockyear
- Language: English
- Year: 2001
- Author: Kris Lockyear Timothy J. T. Sly Virgil Mihăilescu-Bîrliba
- Language: English
- Year: 2000
- Author: Kris Lockyear
- Language: English
- Year: 2007
- Author: John Wilcock (editor) Kris Lockyear (editor)
- Language: English
- Year: 1995