The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "responsibilities" appeared
2013-12-16 : Hearing at the Committee on Economic and Monetary Affairs of the European Parliament2013-10-11 : Euro area economic outlook, the ECB's monetary policy and current policy challenges
2013-06-13 : Responsible leadership in times of crisis
2012-12-17 : Introductory statement at the hearing of the Committee on Economic and Monetary Affairs of the European Parliament
2012-12-14 : Interview with Financial Times
2012-11-23 : Rationale and principles for Financial Union
2012-09-06 : For a European Public Space
2012-08-29 : The future of the euro: stability through change