The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "independent" appeared
2001-02-21 : The euro - a stable currency for Europe2000-10-26 : Should we have faith in central banks?
1999-05-27 : Hayek - currency competition and European Monetary Union
1999-01-28 : The euro - four weeks after the start