The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "permanent" appeared
2017-06-27 : Accompanying the economic recovery2016-02-04 : How central banks meet the challenge of low inflation
2015-05-22 : Structural reforms, inflation and monetary policy
2015-01-02 : Stability and Prosperity in Monetary Union
2014-11-27 : Stability and Prosperity in Monetary Union
2014-07-09 : Memorial lecture in honour of Tommaso Padoa-Schioppa