The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "pursue" appeared
2001-12-17 : The ECB's monetary policy strategy and the quantitative definition of price stability2001-12-07 : Current fiscal and monetary policy issues in the euro area
1999-05-04 : The role of the Central Bank in the United Europe
1998-02-16 : The ESCB: independent, transparent and communicative