The webapp provides for each item the link on ECB's website.
Speeches for : Lorenzo Bini Smaghi where "optimal" appeared
2010-04-15 : Has the financial sector grown too big?2009-10-14 : Monetary policy and asset prices
2008-04-04 : Financial stability and monetary policy: Challenges in the current turmoil
2006-11-15 : Ageing, pension funds and household wealth allocation in the euro area
2005-12-08 : Economic forecasting and monetary policy