The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "supervision" appeared
2011-11-08 : Macro-prudential supervision and financial integration - the ESRB at 12009-11-17 : Financial stability - the role of central banks. A new task? A new strategy? New tools?
2009-09-03 : Economic and financial situation: where do we stand? (Speaking notes)