The webapp provides for each item the link on ECB's website.
Speeches for : Vitor Constancio where "independence" appeared
2015-12-30 : Interview with Börsen-Zeitung2012-09-06 : Introductory statement to the press conference (with Q&A)
2012-06-04 : Opening remarks at the third conference on accounting, financial reporting and corporate governance for central banks
2011-12-08 : Challenges to monetary policy in 2012