The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "tax" appeared
2019-10-30 : A Call for Europe2019-04-17 : Central Bankers, Supervisors and Climate-Related Risks
2018-05-14 : Europe – past, present and future
2018-02-15 : A stable financial system – more than the sum of its parts
2018-01-29 : Basel III - sense and sensitivity
2017-06-30 : Stability and growth in the euro area – who plays the leading role?