The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "type" appeared
2018-06-08 : Central bank risk management in times of monetary policy normalisation2017-10-09 : Economic Policy and the Need for Humility
2017-09-25 : Risk management in times of non-conventional monetary policy
2017-01-16 : Digital Base Money: an assessment from the ECB's perspective
2015-07-02 : Translating a shared vision into a winning story