The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "optimal" appeared
2004-12-10 : Inflation persistence in the euro area2003-03-29 : Monetary and Financial Stability: Is there a Trade-off?
2002-12-09 : Monetary policy in a world of uncertainty
2002-12-05 : Why stable prices and stable markets are important and how they fit together