The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "federal" appeared
2018-12-30 : Interview with Deutschlandfunk2017-02-19 : Interview with Deutschlandfunk
Speeches for : Sabine Lautenschlager where "federal" appeared
2018-12-30 : Interview with Deutschlandfunk