Stone Celtic crosses, such as this, are a major source of our knowledge of Celtic knot design. Carpet page from Lindisfarne Gospels, showing knotwork detail. Almost all of the folios of the Book of Kells contain small illuminations like this decorated initial. History[edit] Examples of plait work (a woven, unbroken cord design) predate knotwork designs in several cultures around the world,[2] but the broken and reconnected plait work that is characteristic of true knotwork began in northern Italy and southern Gaul and spread to Ireland by the 7th century.[3] The style is most commonly associated with the Celtic lands, but it was also practiced extensively in England and was exported to Europe by Irish and Northumbrian monastic activities on the continent. Examples[edit] See also[edit] References[edit] External links[edit]