The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "aging" appeared
2017-09-04 : Aligning accountability with sovereignty in the European Union: the ECB’s experience2015-04-08 : Interview with Börsen-Zeitung
2013-11-29 : Mastering the crux of defragmentation
2013-11-15 : The overhaul of the architecture of the euro area and the return of investor confidence