The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "two" appeared
2003-10-22 : Maastricht and the future of Europe2003-02-27 : Laudatio anlässlich der Verleihung des Hermann-Ehlers-Preises 2003 an Hans Tietmeyer und Theodor Waigel
2002-10-24 : Second ECB Central Banking Conference 24-25 October 2002, Frankfurt am Main
2002-06-13 : The euro as a catalyst for integration and competition in EMU
2002-05-08 : What are the political consequences of the euro?