The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "prosperity" appeared
2019-05-15 : On the importance of institutions as provider of stability and protection in an uncertain world2019-03-12 : Q&A on Twitter
2018-11-02 : Interview with BdP Revista, staff magazine of Banco de Portugal
2017-03-24 : Interview with VDI Nachrichten
2017-02-23 : Creating stability in an uncertain world
2015-12-21 : Interview with La Libre Belgique