The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "operations" appeared
2016-01-25 : Remarks on the collection of credit data (AnaCredit)2014-11-29 : How innovative should central banks be?
2014-09-08 : Banking supervision - a challenge
2014-07-07 : Low inflation as a challenge for monetary policy and financial stability?