The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "collateral" appeared
2017-11-20 : The European banking sector - the big challenges2017-07-04 : Interview with the Financial Times
2016-01-25 : Remarks on the collection of credit data (AnaCredit)
2014-03-11 : Interview with the Wall Street Journal