The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "additional" appeared
2003-06-10 : Structural reform and its implications for monetary policy2001-12-13 : ECB press conference on the occasion of the Signing of the Agreement between the European Central Bank and Europol
2000-11-17 : The international role of the euro
2000-11-02 : First ECB Central Banking Conference, 2-3 November 2000, Frankfurt am Main
1999-10-07 : Introductory statement with Q&A