Sandys, J. E., _History of Classical Scholarship_, 3 vols., 2nd edition, Cambridge, 1906–1908. Sandys, J. E., _A Companion to Latin Studies_, Cambridge, 1913. Schubiger, Père Anselm, _Die Sängerschule St. Gallens von Achten bis Zwolften Jahrhundert_, Einsiedeln, New York, 1858. Sigerson, George, _Bards of the Gael and Gall_, 2nd ed., London, 1907. Skene, W. F., _Celtic Scotland_, 3 vols., Edinburgh, 1876–80. Stokes, Margaret, _Early Christian Art in Ireland_, Dublin, 1911. Stokes, Margaret, _Six Months in the Appenines_, London, 1892. Stokes, Margaret, _Three Months in the Forests of France_, London, 1895. Stokes, George T., _Ireland and the Celtic Church_, London, 1886. Stokes (and Strachan), _Thesaurus Palaeohibernicus_, 2 vols., Cambridge, 1903. Stokes, Whitley, _The Tripartite Life of St. Patrick_, Rolls Series, 2 vols., London, 1887. Stokes, Whitley, _Anecdota Oxoniensia, Lives of the Saints from Book of Lismore_, Oxford, 1890. Sullivan, (Sir) Edward, _The Book of Kells_, Introduction and 34 coloured Plates, London, 1914. Todd, James Henthorn, _St. Patrick, Apostle of Ireland_, Dublin, 1864. Townsend, W. J., _The Great Schoolmen of the Middle Ages_, Reprint, New York, 1905. Traube, Ludwig, _O Roma Nobilis_, Munich, 1891. Traube, Ludwig, _Peronna Scottorum_, Munich, 1900. Turner, Wm. (Right Rev., D.D.), _Irish Teachers in the Carolingian Revival_, a very scholarly and helpful article in _Catholic University Bulletin_, Washington, D.C., 1907, vol. xiii., pp. 382 et seq., 567 et seq. Turner, Wm. (Right Rev., D.D.), _History of Philosophy_, Boston, 1903. Ware, (Sir) James, _The Writers of Ireland_, in 2 Books, English translation by Walter Harris, Dublin, 1746. Warren, F. E., _Liturgy and Ritual of the Celtic Church_, Oxford, 1881. Wattenbach, W., _Das Schriftwesen im Mittelalter_, Leipsig, 1875.; also, Article in _Ulster J. of Arch._, vol. xii, Belfast, 1859. West, A. F., _Alcuin and the Rise of Christian Schools_, New York, 1892. Westwood, John, _The Book of Kells_, a lecture given in Oxford, November, 1886, Dublin, 1887. White, S. J., _Apologia_. Wood-Martin, W. G., _Pagan Ireland_, A Hand Book of Pre-Christian Antiquities, London, 1895. Zeuss, J. C., _Grammatica Celtica_, Berlin, 1871. Zimmer, Heinrich, _The Celtic Church in Britain and Ireland_. English translation by Miss A. Zimmer of Article in _Realenzyklopadie für prot. Theologie_ (Hertzog), teil x, London, 1902. Zimmer, Heinrich, _Pelagius in Ireland_, Berlin, 1901.