The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "sufficient" appeared
2004-05-28 : The euro and the Lisbon agenda2003-10-17 : Panel discussion at the conference Inflation targeting: prospects and problems
2002-12-05 : Why stable prices and stable markets are important and how they fit together
2002-08-30 : Monetary Policy in a Changing Economic Environment