The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "define" appeared
2011-05-18 : Interview with L’Agefi Hebdo2010-12-03 : Lessons from the crisis
2010-10-11 : Interview with special edition of Frankfurter Allgemeine Zeitung (FAZ) on the Cultural Days of the ECB
2007-09-07 : The euro area and its Monetary Policy