Guggenheim, Paul Keywords: Sources of law | Public international law | Mots clefs: Sources | Droit international public | ABSTRACT Paul Guggenheim begins his course on the History of the sources of the law of the nations with a presentation of the origins of the concept of the law of the nations, from the Roman law to the practice of the 12th and 13th centuries. He then focuses on the concept of the law of nations in the writings of the founders of international law, then successively to custom, international treaties, and the general principles of law recognized by civilized nations. Paul Gugg…

Guggenheim, Paul Keywords: Public international law | Legal principles | Mots clefs: Droit international public | Principes de droit | ABSTRACT In this course, Paul Guggenheim first examines the position of natural law in positive law and the concept of legal sociology. The author discusses the rules related to the modern law of nations: the rules that have not changed in substance since their creation; the norms that are influenced by changes in the political and economic infrastructure; and the rules that are rapi…