The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "definition" appeared
2019-02-21 : On the importance of real estate statistics2016-04-04 : The ECB's fight against low inflation: reasons and consequences
2014-05-27 : Monetary policy and balance sheet adjustment
2013-07-18 : Interview with Handelsblatt
2013-01-29 : Speech on the occasion of the “Annual Danish Top Executive Summit 2013”