The webapp provides for each item the link on ECB's website.
Speeches for : Mario Draghi where "leverage" appeared
2018-09-27 : Welcome remarks at the third annual conference of the ESRB2017-05-24 : The interaction between monetary policy and financial stability in the euro area
2016-11-18 : The state and prospects of the euro area recovery
2015-06-03 : Introductory statement to the press conference (with Q&A)