The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "opinion" appeared
2003-07-10 : Introductory statement with Q&A2002-03-07 : Introductory statement with Q&A
2000-09-14 : Introductory statement with Q&A
1998-12-31 : Statement at the joint press conference following the ECOFIN meeting