The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "word" appeared
2006-01-18 : Communication and transparency - how do central banks meet these demands?2005-11-06 : Mario Monti. A tribute.
2000-03-23 : Die Geldpolitik der Europäischen Zentralbank
1999-06-17 : The ECB and its watchers