The webapp provides for each item the link on ECB's website.
Speeches for : Eugenio Domingo Solans where "rules" appeared
2002-11-22 : Some thoughts on the performance of the ECB2002-01-24 : The culmination of European Monetary Union
2001-12-05 : The Psychology of the European Currency, as viewed by the European Central Bank
2000-08-26 : How should monetary policy makers respond to the new challenges of global economic integration?