The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "unity" appeared
2019-05-10 : Keynote speech2015-12-21 : Interview with La Libre Belgique
2014-03-12 : Current issues and challenges for central bank communication
2013-07-18 : Interview with Handelsblatt
2011-12-09 : The State of the global economy
2011-06-16 : Address on the occasion of the inauguration of the Euro Exhibition