The webapp provides for each item the link on ECB's website.
Speeches for : Sirkka Hamalainen where "transparency" appeared
2002-03-26 : Implementing monetary policy in the euro area2001-09-14 : The ECB's monetary policy - accountability, transparency and communication
1999-12-03 : The single monetary policy: the role of transparency and openness
1999-11-19 : The Eurosystem and the implementation of monetary policy
1999-02-25 : European Economic and Monetary Union - principles and perspectives
1998-11-12 : Achieving a credible euro - the role of the ESCB's monetary policy