The webapp provides for each item the link on ECB's website.
Speeches for : Sabine Lautenschlager where "merger" appeared
2017-07-29 : Interview with Mannheimer Morgen2017-02-19 : Interview with Deutschlandfunk
2016-11-02 : Interview with Süddeutsche Zeitung
2016-09-30 : Interview with Börsen-Zeitung
2016-07-18 : Interview with Expansión