The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "signal" appeared
2018-09-20 : Challenges to monetary policy normalisation2018-06-23 : Interview with Expresso
2017-11-06 : Opening remarks
2017-07-04 : Unconventional monetary policy and fixed income markets
2017-03-24 : Interview with Il Sole 24 Ore
2015-11-17 : Interview with Bloomberg
2014-12-19 : Is the ECB doing enough?
2014-04-10 : The financial cycle and real convergence in the euro area
2013-12-13 : Economic Recovery in the Euro Area - The role of Monetary Policy
2013-07-18 : Interview with Handelsblatt