I wish to acknowledge the places that made this work possible, including The Law Faculty, the Lauterpacht Center For Research in International Law, and the Fellows and Staff of Wolfson College, all at the University of Cambridge, The School of International Studies, Simon Fraser University, The Fellows and Staff of Exeter College, the librarians at the Codrington Library, All Souls College, and the Collingwood Archive at the Bodleian Libraries, as well as the Facilities of Law and Philosophy at the University of Oxford, and Lehigh University. People, including Philip Allott, James Crawford, Vaughn Lowe, John Harriss, Roger O’Keefe, Chester Brown, Amanda Perreau-Saussine, Susan Marks, and David Braybrooke, as well as the manuscript reviewers, inspired and improved the argument herein. I have also drawn on components of previously published articles for this effort, including “Justice-As-Sovereignty: David Hume & the Origins of International Law,” British Year Book of International Law , 79 (2007): 429–479; “A Proposal for ‘Philosophical Method’ in Comparative and International Law,” Pace International Law Review ( Pace International Law Review , Online. 1, no. 3 (2009): 1–14; http://digitalcommons.pace.edu /pilronline/3/ ); and “Philosophical-Policy & International Dispute Settlement: Process ?? Principle and the Ascendance of the WTO’s Concept of Justice,” Journal of International Dispute Settlement , (2012): 59–73. I sincerely thank the editors of these journals. A special thanks also goes to Mr Brian O’Connor at Palgrave-MacMillan for his enthusiasm about this entire project, and its publication.