The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "questions" appeared
2018-05-29 : Monetary policy - end of history?2017-11-20 : The European banking sector - the big challenges
2016-01-27 : Single Supervisory Mechanism - Single Supervisory Law?
2016-01-25 : Remarks on the collection of credit data (AnaCredit)
2014-03-11 : Interview with the Wall Street Journal