The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "office" appeared
2011-10-11 : Interview with Die Welt2011-01-15 : Interview with BILD
2010-01-23 : Interview with FOCUS
2008-05-06 : The handing over of the building permit for the new European Central Bank premises by the City of Frankfurt