The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "core" appeared
2011-01-23 : Interview with The Wall Street Journal2008-06-30 : Discours délivré à l'occasion de la réception du prix ‘Vision for Europe'
2008-02-14 : Globalisation, inflation and the ECB monetary policy
2006-09-04 : Remise du prix franco-allemand de la Culture
2005-12-01 : Introductory statement with Q&A
2005-02-25 : Monetary Policy and Private Expectations. Zolotas Lecture at the Bank of Greece