The webapp provides for each item the link on ECB's website.
Speeches for : Philip R. Lane where "streams" appeared
2021-09-15 : The ECB’s monetary policy strategy review2021-05-25 : The ECB strategy review
2021-05-05 : Taking stock: The ECB strategy review and current challenges for monetary policy
2020-11-24 : IMF Policy Dialogue: New Policy Frameworks for a “Lower-for-Longer” World
2020-09-24 : Q&A on Twitter