The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "chose" appeared
2002-05-16 : Challenges to the ECB's monetary policy1998-12-07 : The ESCB's stability-oriented monetary policy strategy
1998-11-10 : The ESCB's stability-oriented monetary policy strategy
1997-11-15 : Monetary policy in EMU