The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "media" appeared
2005-11-06 : Mario Monti. A tribute.2002-10-25 : Second ECB Central Banking Conference 24-25 October 2002, Frankfurt am Main
2000-06-26 : Communication challenges for the ECB
1999-05-27 : Hayek - currency competition and European Monetary Union