A wonderful authoritative treatise covering the history from foreign sources, Druidism, early missionaries (Patrick, Brigit, etc.), the use of letters, Columcille, the Danish period, classic Irish poets. The author later became the first President of Ireland. - See more at: https://www.thornbooks.com/pages/books/19950/douglas-hyde-an-craoibhin-aoibhinn/a-literary-history-of-ireland#sthash.WZHesz5o.dpuf