The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "authority" appeared
2011-03-23 : Taking stock on financial reform2010-11-19 : Macro-prudential oversight and the future European Systemic Risk Board
2010-01-14 : Introductory statement with Q&A
2008-12-15 : The changing role of communication
2008-11-18 : Central banks and the public: the importance of communication
2006-10-04 : Statement by the President of the ECB at the public hearing at the European Parliament on the interception of bank transfer data from the SWIFT system by the US secret services
2005-01-20 : Interview with Les Echos