The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "longterm" appeared
2018-05-29 : Monetary policy - end of history?2018-05-14 : Europe – past, present and future
2016-09-30 : Interview with Börsen-Zeitung
2015-11-23 : Stormy times - how is the ECB handling them?
2015-09-28 : Reintegrating the banking sector into society: earning and re-establishing trust
2015-03-16 : How can prudential regulation foster growth?
2014-11-29 : How innovative should central banks be?