The webapp provides for each item the link on ECB's website.
Speeches for : Jean-Claude Trichet where "preventive" appeared
2011-07-22 : Statement on the decisions taken by the Euro Area Heads of State or Government at a press briefing on 21 July 2011 in Brussels2011-07-22 : Interview with Süddeutsche Zeitung
2009-11-20 : Today's financial institutions and tomorrow's monetary order