The webapp provides for each item the link on ECB's website.
Speeches for : Vitor Constancio where "earlier" appeared
2014-10-16 : Maintaining price stability in the euro area2014-05-15 : Growth challenges for Asia and Europe
2011-05-18 : Strengthening European economic governance - surveillance of fiscal and macroeconomic imbalances
2010-09-29 : The establishment of the European Systemic Risk Board: challenges and opportunities