The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "deposits" appeared
2017-03-16 : The ECB's monetary policy: past and present2016-02-10 : The ECB and its role as lender of last resort during the crisis
2014-05-15 : Interview with Die Zeit
2012-10-10 : The role of money in a market economy