The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "equilibrium" appeared
2004-05-28 : The euro and the Lisbon agenda2003-03-29 : 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
1999-05-27 : Hayek - currency competition and European Monetary Union