The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "npls" appeared
2016-11-09 : Monetary policy and the euro area banking system2016-10-04 : Monetary policy and the euro area banking system
2015-09-23 : Remarks at the FIBI Annual Lunch
2014-11-17 : Repairing the bank lending channel: the next steps