The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "elements" appeared
2002-05-09 : International Charlemagne Prize of Aachen for 20022001-12-13 : ECB press conference on the occasion of the Signing of the Agreement between the European Central Bank and Europol
1998-12-08 : Hearing at the European Parliament's Committee on Economic and Monetary Affairs and Industrial Policy on 8 December 1998 in Brussels
1997-10-22 : The European System of Central Banks: a profile