The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "consensus" appeared
2011-09-24 : The global financial crisis and the role of monetary policy2011-04-12 : The global financial crisis and the role of central banking
2010-11-19 : In search of a robust monetary policy framework
2007-01-19 : Objectives and challenges of monetary policy: a view from the ECB