The webapp provides for each item the link on ECB's website.
Speeches for : Sirkka Hamalainen where "problem" appeared
2002-11-18 : The role of monetary policy and the central banks in global financial stability2000-05-05 : Conference on the Operational Framework of the Eurosystem and the Financial Markets
1999-05-21 : The euro: the birth of a new currency
1998-10-26 : The European perspective on the euro