The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "survey" appeared
2020-05-11 : An ECB digital currency – a flight of fancy?2017-07-25 : The ECB’s monetary policy stance
2017-05-08 : Monetary policy challenges for Europe: banking on the recovery
2017-04-28 : Why Europe Still Needs Cash
2016-01-27 : Current developments in the German banking market
2014-10-17 : Monetary policy and economic inequality
2014-09-26 : Tackling unemployment in Europe - increasing mobility, enhancing flexibility, optimising education