The webapp provides for each item the link on ECB's website.
Speeches for : Lorenzo Bini Smaghi where "circumstance" appeared
2010-02-24 : Slaves of defunct economists2009-06-23 : The world after the crisis: Designing the future. A monetary order for the XXI century
2006-05-08 : The Growth of Pension Funds and Financial Markets: Implications for Central Banks