The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos, Jean-Claude Trichet where "rules" appeared
2010-03-04 : Introductory statement with Q&A2008-02-07 : Introductory statement with Q&A
2006-03-02 : Introductory statement with Q&A
2005-05-04 : Introductory statement with Q&A