Origins and nature of International law. The subjects: States and other entities. The individual in International Law. The sources. Custom. Peremptory Rules (jus cogens). Codification agreements. International Treaties. The Law of Treaties in the light of the Vienna Convention. Sources envisaged by agreements. International Organizations. Relationship between domestic law and international law. Adaptation of the domestic legal system to customary law and to treaties. Jurisdictional immunities of States and of their organs. Responsibility of States for Internationally Wrongful Acts. The settlement of international disputes