Task and Method, American Journal of International Law, vol. ii, pp. 313–56 (1908) Edited by Oppenheim The Collected Papers of John Westlake on Public International Law (Cambridge University Press 1914) Co-editor, Zeitschrift für Völkerrecht, Vols. i–viii (1906–14) Contributions to International Law and Diplomacy (Longmans, Green and Co.) References External links International Law: A Treatise. Vol I: Peace. 1905 edition in Gallica International Law: A Treatise. Vol II: War and Neutrality. 1905 edition in Gallica . The Internationalist as a Scientist and Herald: Lassa Oppenheim . Legal Positivism as Normative Politics: International Society, Balance of Power and Lassa Oppenheim's Positive International Law Oppenheim, Lassa Francis Oppenheim, Lassa Francis People from Main-Kinzig-Kreis People from the Electorate of Hesse Oppenheim, Lassa Francis Oppenheim, L.F.L. German political writers German male non-fiction writers Heidelberg University alumni Humboldt University of Berlin alumni University of Göttingen alumni Academics of the London School of Economics Whewell Professors of International Law