The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "deeper" appeared
2019-01-16 : Interview with Hospodarske noviny2018-02-08 : Interview with Bloomberg
2015-10-14 : Interview with The Asian Banker
2015-09-10 : Medium to long-term priorities of Capital Markets Union (CMU) for the ECB/Eurosystem