[27] George Bernard Shaw: The Sanity of Art. By courtesy of the publishers, Boni & Liveright.
[28] Ralph Adams Cram: The Heart of Europe. By courtesy of the publishers, Charles Scribner's Sons, New York City. Copyright, 1915.
[29] Francis M. Burdick: The Essentials of Business Law. By courtesy of the publishers, D. Appleton & Co., New York City. Copyright, 1902 and 1908.
[30] John Morley: Miscellanies, vol. I. By courtesy of the publishers, The Macmillan Company, New York City.
[31] William Dean Howells: A Boy's Town. By courtesy of the publishers, Harper & Brothers, New York City. Copyright, 1890.
[32] Henry Dwight Sedgwick: The New American Type. Houghton Mifflin Company, Boston, publishers.
[33] All these are from The Note-Books of Samuel Butler, published by A. C. Fifield, London.
[34] George Bernard Shaw: Socialism and Superior Brains. By courtesy of the publishers, John Lane Company.
[35] George Bernard Shaw: The Sanity of Art, "Wagnerism." By courtesy of the publishers, Boni & Liveright.
[36] Eustace M. Weston: Rock Drills. By courtesy of the publishers, McGraw-Hill Publishing Company. Copyright.