The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "politics" appeared
2005-11-06 : Mario Monti. A tribute.2001-02-23 : Economic and Monetary Union in Europe: political priority versus economic integration?
2000-02-08 : European integration at the beginning of the new millennium
1999-09-20 : Europe: common money - political union?