The webapp provides for each item the link on ECB's website.
Speeches for : Vitor Constancio where "sheets" appeared
2017-02-03 : Resolving Europe's NPL burden: challenges and benefits2016-06-21 : Introductory remarks at the fifth ECB conference on accounting, financial reporting and corporate governance for central banks
2015-08-25 : Assessing the new phase of unconventional monetary policy at the ECB
2015-02-27 : Central banks with large balance sheets (slides from the presentation)
2014-09-11 : Interview with Börsen-Zeitung
2014-06-04 : Accounting and Financial Reporting by Central Banks
2014-04-10 : Growing out of the crisis: Is fixing finance enough?
2012-04-04 : Introductory statement to the press conference (with Q&A)