The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "marginal" appeared
2000-07-06 : Introductory statement with Q&A2000-06-08 : Introductory statement with Q&A
1999-02-09 : The single European monetary policy
1999-02-04 : Introductory statement with Q&A
1998-12-22 : Introductory statement with Q&A
1998-12-22 : Introductory statement with Q&A