The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "sovereignty" appeared
2020-05-11 : An ECB digital currency – a flight of fancy?2017-09-14 : Economic and financial priorities for relaunching the Eurozone and the EU
2017-09-04 : Aligning accountability with sovereignty in the European Union: the ECB’s experience
2017-04-08 : Remarks on the future of economic governance in Europe and the euro
2015-11-16 : “A currency beyond the nation state: The euro and its institutional challenges ahead”
2015-07-14 : Ways towards more dynamic growth
2015-06-25 : On European Unity: Economic and Institutional Challenges Facing Europe
2015-04-24 : Dinner speech at EUI-NOMICS
2015-01-25 : Advancing Monetary Union