The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "sons" appeared
2006-03-16 : Dinner speech. Monetary policy: a journey from theory to practice - an ECB colloquium held in honour of Otmar Issing2005-08-09 : Interview with Il Sole 24 Ore
2000-02-08 : European integration at the beginning of the new millennium
1999-09-20 : Europe: common money - political union?
1999-04-15 : Rede zur Verleihung der Würde eines Ehrendoktors des Fachbereichs Wirtschaftswissenschaften der Johann Wolfgang Goethe-Universität, Frankfurt am Main, am 15. April 1999