American founders". Vattel is also cited extensively in Lysander Spooner's The Unconstitutionality Of Slavery and appears to be a key Enlightenment thinker in Spooner's thought. US Department of Defense 2015 Law of War Manual In 2015 the United States Department of Defense published its Law of War Manual. Vattel is cited after Hugo Grotius and before Francis Lieber and Hersch Lauterpacht as a subsidiary means and an authority in determining the rules of law of war. See also Samuel Pufendorf References Sources Primary Le loisir philosophique ou pieces diverses de philosophie, de morale et d'amusement par Mr. de Vattel, Dresde : 1747 chez George Conrad Walther via Google Books Le droit des gens ou Principes de la loi naturelle appliqués à la conduite et aux affaires des nations et des souverains. Tome 1 / par M. de Vattel, Londres : 1758 via Gallica Le droit des gens ou Principes de la loi naturelle appliqués à la conduite et aux affaires des nations et des souverains. Tome 2 / par M. de Vattel, Londres : 1758 via Gallica The Law of Nations (full text) Le droit des gens, Emer de Vattel, Translation of 1758 edition, Ed. Charles Ghequiere Fenwick Law of Nations, 1883 Ed. Joseph Chitty, & Edward D. Ingraham Secondary Chetail, Vincent: "Vattel and the American Dream: An Inquiry into the Reception of The Law of Nations in the United States", in: Pierre-Marie Dupuy and Vincent Chetail (editors): ″The Roots of International Law / Les fondements du droit international: liber amicorum Peter Haggenmacher″, Leiden 2014, pp. 251–300 Ossipow, William and Gerber, Dominik: "The Reception of Vattel's Law of Nations in the American Colonies: From James Otis and John Adams to the Declaration of Independence", in: "American Journal of Legal History", 2017, pp. 1–35 Peter Haggenmacher,"Vattel, Emer de" in Dictionnaire historique de la Suisse, 02/07/2013.; External links VATTEL, EMER DE: at Online Library of Liberty 1714 births 1767 deaths People from Neuchâtel International law scholars Philosophers of law 18th-century jurists 18th-century writers 18th-century lawyers