The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "circulation" appeared
2010-06-18 : Lessons drawn from the crisis2007-01-15 : Keynote address at the € conference Slovenia
2005-09-21 : Interview with the Irish Times, Le Figaro, El Mundo and Frankfurter Allgemeine Zeitung
2004-09-22 : Testimony before the Committee on Economic and Monetary Affairs of the European Parliament
2004-05-14 : The international role of the euro