The Life of Saint David and Other Tracts in Medieval Welsh is a book written by John Morris Jones and published in 1912. The book is a collection of texts written in medieval Welsh, including the Life of Saint David, one of the most important Welsh saints. The Life of Saint David is a hagiography, or a biography of a saint, that tells the story of David's life, his miracles, and his role in the establishment of Christianity in Wales. The other tracts...