The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "empirical" appeared
2008-11-18 : Central banks and the public: the importance of communication2007-06-22 : Swiss monetary policy as viewed by the European Central Bank
2007-05-22 : The role of research in central banks and at the ECB
2007-04-18 : Some reflections on the development of credit derivatives
2006-01-20 : Growth performance, labour productivity and structural reforms in the euro area
2005-06-08 : Asset price bubbles and monetary policy
2004-10-05 : Key issues for monetary policy: an ECB view