The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "warranted" appeared
2020-09-11 : Supervisory action in times of crisis and the limits of the ECB’s prudential mandate2017-12-06 : Challenges for euro area monetary policy in early 2018
2015-09-10 : Medium to long-term priorities of Capital Markets Union (CMU) for the ECB/Eurosystem