The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "delivered" appeared
2011-10-06 : Introductory statement to the press conference (with Q&A)2011-01-15 : Interview with BILD
2009-04-29 : Interview with Süddeutsche Zeitung
2007-06-22 : Swiss monetary policy as viewed by the European Central Bank