Correspondence mainly with A. Philippart, Secretary General of the IPSA and Prof.Carl J. Friedrich, Institut Belge de Science Politique and Comite de Recherche "Unification Européenne" regarding events, publications and lectures ; Information note of the International political science association, invitations to conferences, lectures and discussions organized by IPSA, programmes of seminars and circular letters concerning activities. Includes: text of intervention by M. Pierre Pescatore, judge at the European Court of Justice "La politique de l’integration economique en Europe", Louvain September 1971
Text of intervention by Karlheinz Neunreither, European Parliament "Transformation of a political role: reconsidering the case of the Commission of the European Communities".
Reports on meetings of the Research Committee on European Unification (President Carl Friedrich).

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