The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "parent" appeared
2006-01-18 : Communication and transparency - how do central banks meet these demands?2000-06-26 : Communication challenges for the ECB
1999-10-25 : The monetary policy of the ECB: stability, transparency, accountability
1998-10-06 : Monetary policy in EMU