The webapp provides for each item the link on ECB's website.
Speeches for : Christine Lagarde where "control" appeared
2023-07-07 : Interview with La Provence2023-05-24 : Twenty-five years of the ECB
2023-03-05 : Interview with Grupo Vocento
2021-07-11 : Climate Change and Central Banks: Analysing, Advising and Acting
2020-11-17 : Interview with The New York Times