The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "depression" appeared
2011-02-13 : Interview with Weser-Kurier2010-04-24 : Interview with Expresso
2010-01-26 : Interview with The Wall Street Journal
2006-11-10 : Panel Intervention at the 4th ECB Central Banking Conference on “The role of money: Money and monetary policy in the 21st century”