The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "pepp" appeared
2020-11-04 : Q&A at UBS event2020-11-02 : Legal aspects of the ECB’s response to the coronavirus (COVID-19) pandemic – an exclusive but narrow competence
2020-10-19 : The ECB’s monetary policy amid the pandemic
2020-09-23 : Interview with Bloomberg
2020-06-25 : The World Economy Transformed