The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "definition" appeared
2009-02-14 : Eine Bilanz von 10 Jahren Euro und der Geldpolitik der EZB2008-04-24 : The contribution of monetary and financial statistics to the conduct of monetary policy
2007-11-26 : Delivering price stability: benefits and challenges
2007-01-19 : Objectives and challenges of monetary policy: a view from the ECB