The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "basel" appeared
2020-10-19 : The ECB’s monetary policy amid the pandemic2020-09-23 : Interview with Bloomberg
2019-11-25 : From Basel III to European banking regulation
2019-01-16 : Interview with Hospodarske noviny
2015-11-12 : Three challenges for the banking sector