The webapp provides for each item the link on ECB's website.
Speeches for : Luis de Guindos where "federal" appeared
2024-03-19 : Interview with Naftemporiki2023-12-21 : Interview with 20 Minutos
2020-06-22 : Interview with Der Spiegel
2019-03-27 : International spillovers of monetary policy and financial stability concerns
2018-11-28 : Investment, technological transformation and skills