The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "federal" appeared
2019-10-01 : Stabilisation policies in a monetary union2019-06-18 : Twenty Years of the ECB’s monetary policy
2016-09-30 : Interview with ARD Tagesthemen
2016-02-04 : How central banks meet the challenge of low inflation
2014-04-24 : Monetary policy communication in turbulent times
2013-10-09 : Europe's pursuit of ‘a more perfect Union'
2013-04-15 : The role of monetary policy in addressing the crisis in the euro area