The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "frameworks" appeared
2003-02-04 : Speech on the occasion of the 175 anniversary of theBank van de Nederlandse Antillen2001-12-17 : The ECB's monetary policy strategy and the quantitative definition of price stability
2000-11-02 : First ECB Central Banking Conference, 2-3 November 2000, Frankfurt am Main