The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "evident" appeared
2017-09-25 : Hearing of the Committee on Economic and Monetary Affairs of the European Parliament2011-12-01 : Hearing before the Plenary of the European Parliament on the occasion of the adoption of the Resolution on the ECB's 2010 Annual Report
2011-11-18 : Continuity, consistency and credibility