The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "bubble" appeared
2010-11-19 : In search of a robust monetary policy framework2009-11-09 : Monetary Policy before, during and after the financial crisis
2009-06-05 : Introduction for Session III “Economies of Central and Eastern Europe and the euro” during the National Bank of Poland Conference
2008-03-28 : Speech delivered at the Conference 'Monetary Policy in Sub Saharan Africa: Practice and Promise'