The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "nber" appeared
2019-03-22 : Remarks at the ‘Challenges in Understanding the Monetary Transmission Mechanism’ conference2016-06-16 : Unkonventionelle Geldpolitik - eine ordnungspolitische Würdigung
2015-05-18 : Swedbank Economic Outlook Seminar
2014-10-17 : Monetary policy and economic inequality