Hauréau, B. _Les Ecoles d’Irlande_, chap. in _Singularités Historiques et Littéraires_, Paris, 1894. Hauréau, B. _De La Philosophie Scholastique_, 2 vols., Paris, 1850. Healy, John (Most Rev., D.D.), _Insula Sanctorum et Doctorum, Ireland’s Ancient Schools and Scholars_, Dublin, 1902, 4th ed. Healy, John (Most Rev., D.D.), _The Life and Writings of St. Patrick_, Dublin, 1905. Herzog, _Realenzyklopadie für protestant Theologie_ teil x. (Article by H. Zimmer, _Keltische Kirsche_). Hull, Eleanor, _Early Christian Ireland_, London, 1905. Hull, Eleanor, _A Text Book of Irish Literature_, 2 vols., Dublin, 1910. Hull, Eleanor, _The Poem Book of the Gael_, London, 1918. Hyde, Douglas, _A Literary History of Ireland_, London, 1906. Hyde, Douglas, Article, _Education in Ireland_, in Munroe’s _Cyclopedia of Education_. _Ireland Industrial and Agricultural_, ed. Wm. Coyne, Dublin, 1900. Jenner, Henry, Article, _Celtic Rite_, in _Catholic Encyclopedia_. Joyce, P. W., _A Social History of Ireland_, 2 vols., Dublin, 1913. Jusserand, J. J., _A Literary History of the English People_, vol. i, chap. i, _Celtic Literature_, New York, 1912. Keating, Geoffrey, _History of Ireland_, 4 vols, Irish text and English translation, London, 1902–1914. Keller, F., _Bilder und Schriftzuge in den irischen Manuscripten_, in _Mitteilungen des antiquarischen Gesellschaft_, English trans. and Remarks by Dr. Wm. Reeves, in _Ulster Journal of Archaeology_, vol. viii. Ker, W. P., _Dark Ages_, London, 1904. Lanigan, _Ecclesiastical History of Ireland_, Dublin, 1889. Lindsey, W. M., _Early Irish Minuscule Script_, Oxford, 1910. Leach, A. F., _Educational Charters and Documents_, 598–1909 A.D., Cambridge, 1911. Leach, A. F., _The Schools of Medieval England_, London, 1915. Macalister, R. A. S., _Studies in Irish Epigraphy_, 3 vols., Dublin, 1897, 1902, 1907. Macalister, R. A. S., _Muiredach, Abbot of Monasterboice_, Dublin, 1914. MacCaffrey, James (Rev.), _Pre-Patrician Christianity in Ireland_, Art. in _Irish Theological Quarterly_, Jan., 1906. MacNeill, Eoin, Articles (in Irish) on _Ogham Writing_, in _Irisleabhar na Gaedhilge_, May–Nov., 1908. MacNeill, Eoin, Article, _Ogam Inscriptions_, in _Transactions of the Royal Irish Academy_, July, 1909. MacNeill, Eoin, _Where does Irish History Begin?_ and other Articles, in _New Ireland Review_, Mar.–Dec., 1906. MacNeill, Eoin, _An Irish Historical Tract, dated 721 A.D._, in _Transactions of the Royal Irish Academy_, xxviii, Dublin, 1910. Manitius, Max, _Geschichte der Lateinischen Literatur des Mittelalters_, teil i, München, 1911. Matthew, J. E., _The Literature of Music_, London, 1896. McCormick, P. J. (Rev.), _Education of the Laity in the Early Middle Ages_, Washington, D.C., 1912.