Official Epistolography and the Language(s) of Power. Proceedings of the First International Conference of the Research Network Imperium & Officium. Comparative Studies in Ancient Bureaucracy and Officialdom. University of Vienna, 10-12 November 2010 Official Epistolography and the Language(s) of Power. Proceedings of the First International Conference of the Research Network Imperium & Officium. Comparative Studies in Ancient Bureaucracy and Officialdom. University of Vienna, 10-12 November 2010, Nov 2010, Vienne, France. pp.43-60 HAL