The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "october" appeared
2018-10-10 : Monetary policy in the euro area - a brief assessment2017-12-06 : Challenges for euro area monetary policy in early 2018
2016-10-27 : Low interest rate environment - an economic, legal and social analysis
2013-10-14 : Interview with Frankfurter Allgemeine Zeitung