The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "flexible" appeared
2006-03-24 : The euro - a currency without a state2006-02-24 : Europe's Hard Fix: The Euro Area
2005-12-19 : Interview with Hospodářské Noviny
2005-01-20 : Monetary Policy Implementation: Lessons from the past and challenges ahead. Opening speech at the ECB Workshop
2004-05-28 : The euro and the Lisbon agenda