^Handbook of International Organisations. League of Nations. 1927. p. 114.
^Comments Received from Governments and International Organizations and Institutions Regarding the Technical Assistance to Promote the Teaching, Study, Dissemination and Wider Appreciation of International Law. United Nations. 1963. p. 28.
^Pluralism and the Idea of the Republic in France. Palgrave Macmillan. 2012. p. 217. ISBN9780230272095.
^Weil, Prosper (1996). Le droit international en quête de son identité : cours général de droit international public (in French). Martinus Nijhoff Publishers. p. 19. ISBN9789041102355.