The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "cash" appeared
2016-11-14 : Long-run saving and monetary policy2016-04-29 : Interview with Expansión
2012-10-10 : The role of money in a market economy
2011-08-31 : A new voice on a familiar topic - SEPA from the perspective of ECB Executive Board Member Peter Praet