J.R. Green, The Making of England, Vol. II, pp. 30, 31, 35. London, 1904.
James Bryce, Holy Roman Empire, p. 185. London, 1890. George Webbe Dasent, The Story of Burnt Njal, or Life in Iceland at the End of the Tenth Century, Vol. I, pp. LII-LXVIII. Edinburgh, 1861.
Dahlmann, Geschichte van Dänemark, Vol. II, pp. 265-268. Hamburg, 1857. James Bryce, Introduction to Helmolt, History of the World, Vol. I, p. XXII. New York, 1902.
George T. Stokes, Ireland and the Celtic Church, pp. 206-230. London, 1886.
J.R. Green, History of the English People, Vol. I, pp. 48-49.
Recent Discoveries in Crete, The Chautauquan, Vol. XLIII, p. 220. 1906. Angelo Mosso, The Palaces of Crete, p. 325. London, 1907.
Helmolt, History of the World, Vol. II, pp. 496-504 New York 1902-6.
David Murray, Story of Japan, p. 156. New York, 1894. W.E. Griffis, The Mikado's Empire, Vol. I, pp. 176-181. New York, 1903.
J.R. Green, History of the English People, Vol. I, pp. 30-33. New York.
Capt. F. Brinkley, Japan, Vol. I, p. 8. Boston and Tokyo, 1901.