The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "centre" appeared
2017-01-23 : Cavour Prize 2016: commemoration2015-09-23 : President's introductory remarks at the regular ECON hearing
2013-10-06 : Interview on the EUROPEAN CULTURAL DAYS of the ECB – Latvia 2013
2012-08-29 : The future of the euro: stability through change