The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "mou" appeared
2006-03-16 : Dinner speech. Monetary policy: a journey from theory to practice - an ECB colloquium held in honour of Otmar Issing2004-05-10 : Financial Integration, Asset Prices and Monetary Policy
2000-06-28 : New Technologies in Payments: A Challenge to Monetary Policy
1998-07-02 : Crisis prevention: IMF surveillance, need for new teeth?