The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "start" appeared
2011-09-24 : The global financial crisis and the role of monetary policy2009-11-09 : Monetary Policy before, during and after the financial crisis
2007-11-26 : Delivering price stability: benefits and challenges
2006-11-20 : Economic and monetary challenges of euro area enlargement