The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "commentators" appeared
2002-04-19 : Some remarks on the euro in a US context1998-09-23 : Close of the morning session of a Conference on Monnaie unique et fiscalité de l'épargne: quelle Europe financière? organised by the European Parliament
1997-06-30 : Farewell to a Central banker