See Binding, Die Normen und ihre Uebertretung, I, §§ 50-51; Meumann, Prolegomena zu einem System des Vermögensrechts, 80 ff. (1903); Duguit in Progress of Continental Law in the Nineteenth Century (Continental Legal History Series, Vol. XI), 124-128; Geny, Risque et responsabilité, Revue trimestrielle de droit civil, I, 812; Rolin, Responsabilité sans faute, Revue de droit international et legislation comparée, XXXVIII, 64; Demogue, Fault, Risk and Apportionment of Risk in Responsibility, 15 Illinois Law Review, 369; Thayer, Liability Without Fault, 29 Harvard Law Review, 801; Smith, Tort and Absolute Liability, 30 Harvard Law Review, 241, 319, 409; Bohlen, The Rule in Rylands v. Fletcher, 59 University of Pennsylvania Law Review, 298, 373, 423; Isaacs, Fault and Liability, 31 Harvard Law Review, 954. LECTURE V Ely, Property and Contract in Their Relation to the Distribution of Wealth, I, 51-93, 132-258, 295-443, II, 475-549. Hobson and Others, Property, Its Rights and Duties, Historically, Philosophically and Religiously Considered (2 ed.), essays 1-3, 5-8. Green, Principles of Political Obligation, §§ 211-231. Miller, Lectures on the Philosophy of Law, Lect. 5. Herkless, Jurisprudence, ch. 10. Russell, Social Reconstruction, ch. 4. Spencer, Justice, ch. 12. Kohler, Philosophy of Law, Albrecht's translation, 120-133. Maine, Ancient Law, ch. 8. ----, Early History of Institutions (American ed.), 98-118. ----, Early Law and Custom (American ed.), 335-361. Duguit, in Progress of the Law in the Nineteenth Century (Continental Legal History Series, Vol. XI), 129-146. Wagner, Volkswirthschaft und Recht, besonders Vermögensrecht (1894). Perreau, Cours d'économie politique, II, §§ 623-695 (1916). De la Grasserie, Les principes sociologiques du droit civil, ch. 3. Cosentini, La réforme de la législation civile, 371-422 (1913). Fouillée, La propriété sociale et la democratie (1884). Landry, L'Utilité sociale de la propriété individuelle (1901). Meyer, L'Utilité publique et la propriété privée (1893). Thézard, La propriété individuelle: Étude de philosophie historique du droit (1872). Thomas, L'Utilité publique et la propriété privée (1904). Berolzheimer, System der Rechts- und Wirthschaftsphilosophie, IV, §§ 1-13. Felix, Entwickelungsgeschichte des Eigenthums (1883-1899). Karner, Die sociale Funktion der Rechtsinstitute, besonders des Eigenthums (1904). Conti, La proprietà fondiaria nel passato e nel presente (1905). Cosentini, Filosofia del diritto, 250-279 (1914). Fadda, Teoria della proprietà (1907). Labriola, Sul fondamento della proprietà privata (1900). Loria, La proprietà fondiaria e la questione sociale (1897). Piccione, Concetto positivo del diritto di proprietà (1890). Velardita, La proprietà secondo la sociologia (1898). Grotius, De jure belli et pacis, II, 3, 1-5, II, 6, 1 and 14, § 1. Pufendorf, De jure naturae et gentium, IV, 4, §§ 2-6, 14.