The webapp provides for each item the link on ECB's website.
Speeches for : Luis de Guindos where "new" appeared
2023-09-06 : Need for speed on the Road to Paris2022-11-04 : The euro area economy and the energy transition
2022-05-19 : Building the Financial System of the 21st Century
2022-02-10 : Managing Europe’s economic recovery after the pandemic