Spaak, Paul-Henri. (1956) Intergovernmental Committee on European Integration. The Brussels Report on the General Common Market (abridged, English translation of document commonly called the Spaak Report) [June 1956]. [EU Other]
Spaak, Paul-Henri. (1956) Rapport des chefs de delegation aux Ministres des Affaires Etrangeres = Report of the Heads of Delegation to the Ministers of Foreign Affairs (21 April 1956). [Intergovernmental Committee on European Integration, commonly called the Spaak Report]. [EU Other]