The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "budgetary" appeared
2020-11-28 : Interview with Le Monde2016-02-16 : Oral hearing of the Federal Constitutional Court 16 February 2016 in the OMT proceedings
2015-11-16 : “A currency beyond the nation state: The euro and its institutional challenges ahead”