Seventh Conference of the Italian Association of Comparative Law on "L’influenza dei valori costituzionali sui sistemi giuridici contemporanei" to be held in Bari in 1983, Meeting of Presidents and Secretaries General of the International Social Science Council held in Barcelona (17-19 May 1983), Lesson delivered at the Legal Services Conference held in Costa Rica (13-17 October 1981), Sixth Conference of the Italian Association of Comparative Law on "The Influence of the European Communities and the Council of Europe upon the Italian Legal System" to be held in Florence in 1981, Conference held in Aix-en-Provence (19-21 February 1981), Conference on "La Constitucion y su defensa" held in Mexico City (17-22 October 1982), Visit to the European Commission (Brussels, 22-23 April 1982), IACL Congress held in Caracas (29 August-5 September 1982), Salzburg Seminar in American Studies (25 August-7 September 1985), Seminar at Stockholm University (19 September 1985), Lecture delivered to Swedish Society of Comparative Law (20 September 1983), Seminar on "Tribunal Constitucional y Estado democratico" held in Santander (11-15 July 1983), Cambridge Lecture (July 1983), Study Mission in Aruba and Bogotá (25 March-10 April 1983), First World Congress of the International Association of Constitutional Law (Beograd, 29 August-2 September 1983), Events programmed on occasion of the First Meeting of the Presidents of the Member-Organizations of the International Social Science Council and of the Joint Meeting of the Pontifical Academy of Science, the Club of Rome and the International Social Science Council to be held in Barcelona (16-19 May 1983)

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