The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "contributes" appeared
2008-04-21 : Opening speech at the conference on ‘The safety and efficiency of post trading arrangements in Europe'2006-06-21 : Testimony before the Committee on Economic and Monetary Affairs of the European Parliament
2005-01-25 : Communication, transparency and the ECB's monetary policy
2003-11-20 : Europe at the crossroads