The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "architect" appeared
2017-04-06 : We need to complete the Banking Union2012-09-27 : Adjustment in the euro area: Impressive, but still incomplete
2012-02-27 : Sound money, sound finances, a competitive economy - principles of a european culture of stability
2011-06-16 : Address on the occasion of the inauguration of the Euro Exhibition