The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "acts" appeared
2003-10-29 : Address delivered on the occasion of a special ECOFIN dinner to pay tribute to his leadership of the European Central Bank2002-07-05 : International Research Forum on Monetary Policy
2001-08-30 : Press conference on the occasion of the unveiling of the euro banknotes and their security features. Introductory statement
2000-09-17 : The euro as a catalyst for legal convergence in Europe