Introductory: The grounds of unity, by F. S. Marvin -- Unity in prehistoric times, by J. L. Myres -- The contribution of Greece and Rome, by J. A. Smith -- Unity in the middle ages, by E. Barker -- Unity and diversity in law, by W. M. Geldart -- The common elements in European literature and art, by the Rev. Dr. A. J. Carlyle -- Science and philosophy as unifying forces, by L. T. Hobhouse -- The unity of western education, by J. W. Headlam -- Commerce and finance as international forces, by H. Withers -- International industrial legislation, by Constance Smith -- Common ideals of social reform, by C. D. Burns -- The political bases of a world-state, by J. A. Hobson -- Religion as a unifying influence in western civilization, by H. G. Wood -- The growth of humanity, by F. S. Marvin.

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