The webapp provides for each item the link on ECB's website.
Speeches for : Gertrude Tumpel-Gugerell where "bubbles" appeared
2011-05-03 : Asset price bubbles: how they build up and how to prevent them?2010-06-11 : Financial Integration and Stability: Efficiency Gains vs. Pitfalls
2009-11-12 : The road less travelled: exploring the nexus of macro-prudential and monetary policy