The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "introduce" appeared
2015-02-24 : Unveiling of the new €20 banknote2014-11-12 : The economic policy of Federico Caffè in our times
2013-12-12 : Hearing before the Plenary of the European Parliament on the occasion of the adoption of the Resolution on the ECB Annual Report 2012
2013-08-01 : Introductory statement to the press conference (with Q&A)