Contents/ Sommaire -- Articles -- Nuclear Weapons in Outer Space -- Obligatory Negotiations in International Organizations -- La participation des provinces canadiennes aux organisations Internationales -- Federalism, Biculturalism, and International Law -- La conclusion d'accords internationaux par les provinces canadiennes à la lumière du droit comparè -- The Right to Utilize the Waters of International Rivers -- Notes and Comments -- The Participation of International Organizations in the Proposed International Agreement on Liability for Damage Caused by Objects Launched into Outer Space -- Succession of States: Pakistan's Membership in the United Nations -- Recognition of States and Governments under International Law with Special Reference to Canadian Postwar Practice and the Legal Status of Taiwan (Formosa) -- Case concerning the Barcelona Traction, Light and Power Company Limited (New Application, 1962 -- Belgium v. Spain). Preliminary Objections -- Canadian Practice in International Law during 1964 as Reflected in Correspondence and Statements of the Department of External Affairs -- Book Reviews / Revue des livres -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Y.