The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "esta" appeared
2005-10-28 : The role of money in the monetary policy strategy of the ECB2004-05-10 : Financial Integration, Asset Prices and Monetary Policy
2003-05-23 : Efficiency in financial institutions
2003-02-27 : The euro - a stable international currency
2000-10-26 : Should we have faith in central banks?