14 ——: “Secret Army Guards New York Against a Traffic Strike,” New York _Herald_, Mag. Section, March 20, 1910. (15) Debs: _Class Conflict in Colorado_. (16) Wright, U. S. Commissioner of Labor: _A Government Report on the Great Strike in Colorado_. 17 Darrow: _Speech to the Jury in the Haywood Case_. (18) Untermann: _The Dick Militia Law_ (U. S., 1903). 19 Commons: “Is Class Conflict in America Growing and Is It Inevitable?” * * * Carver: “The Basis of Social Conflict”; * * * Keasby: “Competition.” _American Journal of Sociology_, March, 1908. See also Papers and Proceedings of the American Sociological Society, Vol. II., Special Topic: “Social Conflicts.” 20 Small: _General Sociology_, Chapters 26 and 27. (21) Shaler: “The Natural History of War,” _International Quarterly_, Sept., 1903; also _The Neighbor_. 22 Ridpath: “Plutocracy and War,” _Arena_, Jan., 1898. (23) Jordan: “The Biology of War,” an Address, Chicago, 1909, reported in _Unity_, June 10, 1909; _Imperial Democracy_, Chapters 1, 2, 3, and 7; _The Human Harvest_; _The Blood of the Nation_. 24 Chatterton-Hill: _Heredity and Selection in Sociology_, pp. 316–24. Thompson: _Heredity_, pp. 532–34. (25) Jefferson: “The Peace-at-any-Price Men,” _The Independent_, Feb. 4, 1909; “The Delusions of the Militarist,” _Atlantic Monthly_, March, 1909. (26) Charles Edward Russell: _Why I Am a Socialist_. 27 Tolstoi: _Bethink Yourselves; Patriotism and Christianity_, and _Thou Shalt Not Kill_. (28) Robinson: “War and Economics in History and in Theory,” _Political Science Quarterly_, Dec., 1900. (29) Ghent: _Mass and Class_. (30) London: _The War of the Classes_; _Revolution_, Chapter, “The Yellow Peril”; also, “Revolution,” _Contemporary Review_, Jan., 1908. (31) W. T. Mills: _The Struggle for Existence_, Chapters 4–23. (32) Hillquit: _Socialism in Theory and Practice_, pp. 36–65, 153–167, 296–302. (33) Spargo: _Socialism_, Chapters 4, 5, 6, and _Common Sense of Socialism_, Chapters 2–7. (34) Ferri: _Socialism and Modern Science_, Chapter 7. 35 Seligman: _The Economic Interpretation of History_. 36 Boudin: _The Theoretical System of Karl Marx_, Chapters 1–5, 8–10. 37 Patten: “The Economic Causes of Moral Progress,” _Annals of Amer. Soc. Pol. and Soc. Sci._, Sept., 1892. (38) Engels: _The Origin of the Family, Property and the State_, special attention to Chapters 8, 9; and _Socialism—Utopian and Scientific_. (39) Hobson: _The Evolution of Modern Capitalism_; _Imperialism_, special attention to first six chapters; _The Psychology of Jingoism_; _The War in South Africa_, Part II.; and _John Ruskin—Social Reformer_, Chapters 3–8 inclusive, and Appendix 1. 40 Ferrero: _Militarism_. 41 Liebknecht: _Militarismus und Anti-Militarismus_. 42 Büchner: _Industrial Evolution_ (Wickett’s translation), Chapters 4–5.