The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "prepare" appeared
2003-06-05 : Introductory statement with Q&A1999-05-20 : Speech at the 11th Frankfurt International Banking Evening
1998-09-11 : ECB Press conference: Introductory statement
1998-06-09 : ECB Press conference: Introductory statement
1997-09-12 : From the EMI to the ESCB: Achievements and challenges