The most precious manuscript held by the Royal Irish Academy is RIA MS 12 R 33, a sixth-century book of psalms known as an Cathach (‘The Battler’), or the Psalter of St Columba. It is believed to be the oldest extant Irish psalter, the earliest example of Irish writing – and the world’s oldest pirate copy. According to tradition, St Columba secretly transcribed the manuscript from a psalte ... (read more)