The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "changing" appeared
2019-02-04 : The changing role of central banking2018-11-30 : TIPS and the future of innovative retail payment solutions in Europe
2017-10-09 : Economic Policy and the Need for Humility
2017-07-24 : Central banking in times of technological progress
2015-04-24 : Dinner speech at EUI-NOMICS