The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "concern" appeared
2005-08-09 : Interview with Il Sole 24 Ore2005-01-20 : Monetary Policy Implementation: Lessons from the past and challenges ahead. Opening speech at the ECB Workshop
2004-05-12 : Summary of “The ECB and the euro - the first five years”
2004-01-20 : Testimony before the European Parliament's Committee on Economic and Monetary Affairs
1999-12-03 : The monetary policy of the ECB in a world of uncertainty