The webapp provides for each item the link on ECB's website.
Speeches for : Frank Elderson where "maintain" appeared
2023-11-22 : Monetary policy in the climate and nature crises: preserving a “Stabilitätskultur”2022-03-24 : Proportioning policy action to the evidence: making the monetary policy strategy of the ECB concrete
2021-03-17 : Q&A on Twitter
2021-02-13 : Greening monetary policy