The webapp provides for each item the link on ECB's website.
Speeches for : Jorg Asmussen where "esta" appeared
2013-11-12 : The Costs and Benefits of Unorthodox Monetary Policy2013-07-09 : Building Banking Union
2013-06-14 : Reintegrating financial markets
2013-04-18 : Financial stability in Europe and the progress towards banking union