The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "origin" appeared
2017-01-23 : Cavour Prize 2016: commemoration2015-10-06 : Welcome address at the art inauguration at the ECB
2015-02-24 : Unveiling of the new €20 banknote
2012-09-06 : For a European Public Space