Who are the Celts? ; The Celts and the classical world ; Celtic art and artifacts ; Celtic languages in the ancient world ; Caesar and the Gauls ; Celtic religion and the druids -- Celtic Britain and Roman Britain ; Celts and Picts in Scotland ; Prehistoric Ireland and the Celts ; Celtic Britain after Rome ; Brittany and Galicia : Fringe of the Fringe ; Celtic churches -- Celtic art and insular art ; Medieval Irish literature ; Celtic women, families, and social structure ; The Irish Sea world : Celts and Vikings ; English invasions of Wales and Ireland ; Scotland from Macbeth to Braveheart -- Politics and literature in Wales ; The Tudor conquest of Ireland ; (Re)Discovering the Celts ; The Gaelic Revival in Ireland ; Celtic music and dance ; The Celts today .