The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "qe" appeared
2017-12-29 : Interview with Börsen-Zeitung2015-12-29 : Interview with International Bankers Forum
2015-11-15 : Interview with Les Echos
2015-10-14 : Interview with The Asian Banker
2015-04-08 : Interview with Börsen-Zeitung
2013-12-09 : Euro area monetary policy: where we stand