The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "ground" appeared
2003-02-04 : Speech on the occasion of the 175 anniversary of theBank van de Nederlandse Antillen2000-04-13 : Introductory statement with Q&A
1999-12-02 : Introductory statement with Q&A
1999-03-04 : Introductory statement with Q&A
1998-02-16 : The ESCB: independent, transparent and communicative
1997-06-30 : Farewell to a Central banker