Book Reviews : International Law in Historical Perspective by J. A. W. Verzijl. Part VI: Juridical Facts as Sources of International Rights and Obligations. pp. X and 861 and Part VI: State Succession. pp. VI and 378,A. W. Sijthoff —Leiden 1973 (Part VI) and 1974 (Part VII)

Book Reviews : International Law in Historical Perspective by J. A. W. Verzijl. Part VI: Juridical Facts as Sources of International Rights and Obligations. pp. X and 861 and Part VI: State Succession. pp. VI and 378,A. W. Sijthoff —Leiden 1973 (Part VI) and 1974 (Part VII)