Allocution du Professeur Walter Hallstein, President de la Commission de la Communaute economique europeenne devant la 3eme Assemblee generale des Syndicats libres (C.I.S.L.) des pays membres des Communautes europeennes. Bruxelles, 10 janvier 1962=Speech by Professor Walter Hallstein, President of the Commission of the European Economic Community, before the 3rd General Assembly of Free Labour Unions (C.I.S.L.) of member countries of the European Communities. Brussels, 10 January 1962