Includes bibliographical references and index.

Prolegomena : the structure and characteristics of the international legal order -- Legal personality -- The sovereign state as the primary and original subject of PIL -- Article 38 of the ICJ statute : the substantive constitution of the international legal order in respect of sources -- Customary international law and its codification -- International treaty -- Forgotten, minor and hidden sources -- State responsibility for internationally wrongful acts -- Peaceful settlement of international disputes.