The webapp provides for each item the link on ECB's website.
Speeches for : Gertrude Tumpel-Gugerell where "overseer" appeared
2009-06-15 : Beyond the turmoil: rules, supervision and infrastructures2008-09-12 : Priorities for EU infrastructures and prospects of transatlantic infrastructures
2005-04-25 : The need for regulatory involvement in the evolution of payment systems
2004-06-21 : Presentation, delivered at the symposium Zahlungsverkehr in Deutschland im Umfeld europäischer und internationaler Entwicklungen organised by the Deutsche Bundesbank in Frankfurt am Main, pdf 320 kB