The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "sustainability" appeared
2017-06-22 : Interview with Der Spiegel2016-09-20 : Interview with L'Opinion
2016-03-18 : Interview with La Repubblica
2015-02-16 : Interview with Jornal de Negócios
2014-02-18 : Reforms and growth in the euro area
2013-05-16 : Adjustment and growth in the euro area
2012-11-30 : The “Great Rebalancing” of the euro area and the global economy
2012-05-10 : Managing financial crises: the role of the ECB