The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "contra" appeared
2003-10-29 : Address delivered on the occasion of a special ECOFIN dinner to pay tribute to his leadership of the European Central Bank2002-05-09 : International Charlemagne Prize of Aachen for 2002
2000-09-17 : The euro as a catalyst for legal convergence in Europe
1999-03-25 : The euro, the dollar and national economic policies: what room for manoeuvre?
1998-09-18 : Signing of the Headquarters agreement