The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "tradable" appeared
2005-04-27 : The enlargement of the EU and the euro zone2004-10-22 : EU enlargement and monetary integration
2003-02-28 : Considerations on monetary policy strategies for accession countries
2002-06-10 : ECB Watchers conference: monetary policy and the role of the price stability definition