- Author: David Maland
- Language: English
- Year: 1980
- Author: Alan Swingewood
- Language: English
- Year: 1975
- Author: Philip D. Curtin (ed.)
- Language: English
- Year: 1972
- Author: Himka John-Paul
- Language: English
- Year: 1988
- Author: Satchler G.R.
- Language: English
- Year: 1980
- Author: Chris Wickham
- Language: English
- Year: 1981
- Author: Michael Malet
- Language: English
- Year: 1985