The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "powers" appeared
2018-03-28 : Taking back control of globalisation: Sovereignty through European integration2014-04-22 : Interview with Le Monde
2013-05-23 : The Single Resolution Mechanism: Why it is needed
2012-07-20 : Short-term crisis management and long-term vision: how Europe responds to the crisis