The webapp provides for each item the link on ECB's website.
Speeches for : Sirkka Hamalainen where "sustainable" appeared
2002-11-13 : The euro - a world currency2002-03-20 : Integrating Europe's Financial Markets
2001-10-16 : Integration of the euro area financial markets
2000-09-22 : Risk management in the global economy - the role of the ECB