The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "successes" appeared
2006-05-11 : Two successes of the euro: the single monetary policy and European financial integration2005-12-23 : Interview with Der Spiegel
2005-03-18 : The success of the euro and its impact on European companies
2005-01-14 : The euro ; successes and challenges