The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "website" appeared
2018-02-08 : Q&A on Twitter2016-01-06 : Interview with Knack
2015-02-05 : Interview with Les Echos
2014-07-15 : Interview with Les Echos
2011-06-16 : Address on the occasion of the inauguration of the Euro Exhibition