The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "stake" appeared
2017-04-04 : Address to mark the launch of the new €50 banknote2017-02-02 : Security through unity: making integration work for Europe
2016-11-30 : Interview with El País
2016-10-07 : IMFC Statement
2015-11-04 : One year of ECB Banking Supervision
2015-10-01 : Atlantic Council Remarks