Guiscard
The Deeds of Count Roger of Calabria and Sicily and of His Brother Duke Robert Guiscard
ISBN：9780472114597...
The Deeds of Count Roger of Calabria and Sicily and of His Brother Duke Robert Guiscard
The Age of Robert Guiscard
ISBN：9780582045293...
The Age of Robert Guiscard
ISBN：9780582045286The Norman expansion across Europe in the 11th century was a movement of enormous historical import...