The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "wrong" appeared
2019-04-23 : Interview with Frankfurter Allgemeine Zeitung2016-09-26 : Interview with Süddeutsche Zeitung
2014-04-13 : Asset purchases as an instrument of monetary policy
2012-10-26 : Which models do we need in times of crisis?