[(50)] Compte-Rendu of the Fourth International Congress of the International Working Men's Association, Basel, 1869, p. 6.
[(51)] Kropotkin, The Great French Revolution, p. 423 (G. P. Putnam's Sons, New York, 1909).
[(52)] Proudhon, Idée Générale de la Révolution au XIXe. Siècle, p. 304 (Garnier Frères, Paris, 1851).
[(53)] Idem, p. 197.
CHAPTER XI
[(1)] Proudhon, Idée Générale de la Révolution, p. 149.
[(2)] Roger A. Pryor, quoted in the report of the Investigation of the Employment of Pinkerton Detectives: House Special Committee Report, 1892, p. 225.
[(3)] Investigation of the Employment of Pinkerton Detectives: Senate Special Committee Report, 1892, p. 247.
[(4)] Thomas Beet, Methods of American Private Detective Agencies, Appleton's Magazine, October, 1906.
[(5)] Idem.