The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "uncertainties" appeared
2002-03-26 : The role of monetary policy in managing economic risks.2000-01-10 : Opening Remarks at a Hearing of the Committee on Economic and Monetary Affairs of the European Parliament
1999-12-03 : The monetary policy of the ECB in a world of uncertainty
1998-11-26 : The European Central Bank on the eve of EMU
1998-10-06 : Monetary policy in EMU