Search Results       Your search for [subject]Customary law, International law returned 1 record.           Peremptory norms (Jus cogens) in international law : historical development, criteria, present status. by Hannikainen, Lauri; Helsinki: Finnish Lawyers Pub., 1988. Subject: Treaties; Customary law, International law; International obligations.          Add to Book Cart Relevance: 22.57%