The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "wait" appeared
2019-04-17 : Central Bankers, Supervisors and Climate-Related Risks2019-01-17 : Interview with Politico
2018-12-30 : Interview with Deutschlandfunk
2017-09-15 : Monetary policy – what’s next?