The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "summers" appeared
2019-03-27 : Necessity, proportionality and probity – central bank independence in unconventional timesSpeeches for : Yves Mersch where "summers" appeared
2019-03-27 : Necessity, proportionality and probity – central bank independence in unconventional times