Treaties — Kinds of — Pacta de contrahendo — Obligation to Negotiate — How far Implying a Substantive Obligation.

Treaties — Interpretation of — By Reference to Action of the Parties — Effect of the Declarations of Parties Recognizing their Obligation.

International Court of Justice — Jurisdiction of — Succession to Jurisdiction of the Permanent Court of International Justice.

International Mandates — Nature of — Treaties Creating International Status — Mandates and Trusteeship — Interpretation of Treaties — Relevance of Declarations of the Parties — The Mandate for South-West Africa.