The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "head" appeared
2010-05-06 : Introductory statement with Q&A2010-04-08 : Introductory statement with Q&A
2006-10-05 : Introductory statement with Q&A
2005-12-01 : Introductory statement with Q&A