The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "treasuries" appeared
2018-10-26 : The international dimension of the ECB’s asset purchase programme: an update2018-02-23 : The persistence and signalling power of central bank asset purchase programmes
2018-01-31 : What yield curves are telling us
2017-07-11 : The international dimension of the ECB’s asset purchase programme