The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "zone" appeared
2010-02-04 : Introductory statement with Q&A2007-10-04 : Introductory statement with Q&A
2006-12-07 : Introductory statement with Q&A
2004-10-07 : Introductory statement with Q&A