The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "reflection" appeared
2018-04-27 : Reflections on monetary policy in the euro area2017-09-04 : Aligning accountability with sovereignty in the European Union: the ECB’s experience
2016-09-26 : The next steps in the evolution of the Eurosystem's market infrastructure
2016-04-25 : Distributed ledger technology - panacea or flash in the pan?