The Attic Democracy, in: History and Events (Advanced Level), Stuttgart Klett 2007, pp. 8-48

'Die Figur der Mutter in der römischen Komödie', April 1997 at the Seminar for Classical Philology at the University of Heidelberg

'The Κληρούμενοι of Diphilos', August 1997 at the University of Tbilisi

'The historian Zosimos, his sources and role models', January 2014 at the University of Bremen

'Togliere di mezzo un eunuco', April 2015 at the University of Udine

'The ideal state in Cassius Dio and Zosimos - a comparison', January 2015 at the University of Bremen