The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "heart" appeared
2019-02-01 : Interview with hr-iNFO – the Interview2019-01-17 : Interview with Politico
2018-08-05 : Interview with Welt am Sonntag
2017-03-22 : Caution should be the life of banking
2015-11-04 : Looking ahead - Closing Remarks at the ECB Forum on Banking Supervision