The webapp provides for each item the link on ECB's website.
Speeches for : Isabel Schnabel where "checks" appeared
2020-10-20 : Don’t take it for granted: the value of high-quality data and statistics for the ECB’s policymakingSpeeches for : Isabel Schnabel where "checks" appeared
2020-10-20 : Don’t take it for granted: the value of high-quality data and statistics for the ECB’s policymaking