The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "federal" appeared
2020-11-25 : Interview with Financial Times2020-07-02 : In the spirit of European cooperation
2016-10-12 : The ECB and the Federal Reserve - an ocean apart?
2016-06-23 : Monetary policy in the euro area: scope, principles and limits
2016-02-16 : Oral hearing of the Federal Constitutional Court 16 February 2016 in the OMT proceedings
2015-11-15 : Interview with Les Echos
2014-05-14 : Keynote speech
2013-09-06 : Monetary policy and financial stability under one roof