The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "series" appeared
2019-05-15 : On the importance of institutions as provider of stability and protection in an uncertain world2019-03-27 : Providing monetary policy stimulus after the normalisation of instruments
2017-02-02 : Maintaining price stability in the euro area
2016-04-07 : The ECB's monetary policy response to disinflationary pressures