The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "lb" appeared
2019-03-29 : Interview with Bloomberg TV2019-03-12 : Q&A on Twitter
2019-02-18 : Interview with Börsen-Zeitung
2018-06-23 : Interview with Expresso
2016-03-18 : Interview with La Repubblica
2015-09-24 : Monetary policy lessons from the financial crisis: some remarks