The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "responsibilities" appeared
2020-10-08 : European economic governance: early lessons from the crisis2018-11-22 : Europe: a work in progress – political integration and economic convergence in Monetary Union
2017-11-10 : Evolving regulatory environment for CCPs – the perspective of a Central Bank
2013-05-06 : The euro and the ECB: Perspectives and challenges ahead
2013-03-25 : Opening of the “New Face of the Euro” exhibition