The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "observation" appeared
2010-05-20 : The great financial crisis: Lessons for financial stability and monetary policy2009-03-30 : Hearing before the Economic and Monetary Affairs Committee of the European Parliament
2007-06-18 : The role of central banks in a globalised economy
2005-08-27 : Monetary Policy and 'Credible Alertness'
2005-03-03 : Introductory statement with Q&A
2005-02-24 : Article by Jean-Claude Trichet, President of the European Central Bank in the The Wall Street Journal, 24 Februar 2005