The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "complete" appeared
2017-09-04 : Aligning accountability with sovereignty in the European Union: the ECB’s experience2015-10-13 : Speech at MNI Connect event
2015-07-14 : Ways towards more dynamic growth
2014-05-05 : Institutional overhaul of the euro area - progress and remaining challenges