Contents/ Sommaire -- Articles -- Canadian Federalism, and the Foreign Affairs and Treaty Power. The Impact of Quebec's "Quiet Revolution" -- Direct Satellite Broadcasting: A Case Study in the Development of the Law of Space Communications -- Economic Sanctions in the International System -- The United Nations Declaration on Territorial Asylum -- Fact Finding and the World Court -- International Control of Narcotic Drugs and International Economic Law -- Notes and Comments -- Certain aspects de l'évolution récente du problème de l'immunité de juridiction des Etats -- Treaty Amendment: The Problem of the GATT Tariff Schedules -- Development of International Legal Rules for the Repression of the Unlawful Seizure of Aircraft -- Canadian Practice in International Law during 1968 as reflected mainly in public correspondence and statements of the Department of External Affairs -- Digest of Important Cases Decided in 1968 in the fields of Public International Law and Conflict of Laws -- Book Reviews / Revue des livres -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Y -- Z.