Le Fur, Louis Keywords: Peace | International law | Mots clefs: Paix | Droit international | ABSTRACT The course of Louis Le Fur on General Rules of the Law of Peace begins with the first part devoted to doctrines on the basis of international law. The author thus presents ten different theories, the last one, to which the author agrees, being a realistic and synthetic theory. The second part of the course is devoted to the study of several selected problems, such as custom and general principles of law, the revision of treaties, or the domain for the exclusive competence of the State. Le cours d…