The webapp provides for each item the link on ECB's website.
Speeches for : Sirkka Hamalainen where "scope" appeared
2002-02-25 : The euro as a monetary, financial, economic and political innovation1999-06-11 : The euro: pushing the boundaries
1999-04-24 : The Euro: Europe's new currency and the role of the ECB
1998-10-26 : The European perspective on the euro