The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "earlier" appeared
2020-11-02 : Legal aspects of the ECB’s response to the coronavirus (COVID-19) pandemic – an exclusive but narrow competence2020-10-19 : The ECB’s monetary policy amid the pandemic
2017-09-01 : The role of cash: Customer retention and tie to the citizen