The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "existence" appeared
2002-01-03 : Joint press conference given by the EU Presidency, the European Central Bank, and the European Commission on the introduction of the euro banknotes and coins, Frankfurt am Main, 3 January 20022001-10-16 : The ECB's quantitative definition of price stability and its comparison with such definitions or inflation targets applied in other large economic areas
1999-09-04 : Speech at the Villa d'Este Workshop - Cernobbio
1999-06-14 : Financing in the European capital markets
1998-02-05 : EMU and the financial sector