The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "underlying" appeared
2006-05-05 : The watchers conference: Theory and practice of monetary policy2005-11-14 : The role of fiscal and monetary policies in the stabilisation of the economic cycle
2005-10-28 : The role of money in the monetary policy strategy of the ECB
2004-05-12 : The ECB and the euro - the first five years
2000-12-01 : Europe's challenges after the establishment of Monetary Union: a central banker's view