The webapp provides for each item the link on ECB's website.
Speeches for : Isabel Schnabel where "treaty" appeared
2021-05-27 : Societal responsibility and central bank independence2021-05-12 : Tackling climate change as a central bank: Between motivation, obligation and limitation
2021-03-16 : Interview with Les Echos
2020-09-16 : Interview with Agence France-Presse (AFP)