I. Introductory: The grounds of unity, by F.S. Marvin.- II. Unity in prehistoric times, by J.L. Myres.- III. The contribution of Greece and Rome, by J.A. Smith.- IV. Unity in the Middle ages, by Ernest Barker.- V. Unity and diversity in law, by W.M. Geldart.- VI. The common elements in European literature and art, by Dr. A.J. Carlyle.- VII. Science and philosophy as unifying forces, by L.T. Hobhouse.- VIII. The unity of Western education, by J.W. Headlam.- IX. Commerce and finance as international forces, by Hartley Withers.- X. International industrial legislation, by Constance Smith.- XI. Common idelas of social reform, by C. Delisle Burns.- XII. The political basis of a world state, by J.A. Hobson.- WIII. Religion as a unifying influence in Western civilization, by H.G. Wood.- XIV. The growth of humanity, by F.S. Marvin 26