“Late medieval or early modern? Mongols and Ottomans in the history of medieval Eastern Europe and the problem of periodization,” paper presented at the 78th Annual Meeting of the Medieval Academy of America, Minneapolis, April 10-12, 2003

“No mission, no conversion? Christianity and barbarians beyond the Danube (ca. 500-700),” paper presented at the 38th International Congress on Medieval Studies, Kalamazoo, May 7-11, 2003

“Origins of the European economy: a debate with Michael McCormick. East Central Europe.” Early Medieval Europe 12 (2003), no. 3: 283-291.

Review of Archäologie der westlichen Slawen. Siedlung, Wirtschaft und Gesellschaft im früh- und hochmittelalterlichen Ostmitteleuropa, by Sebastian Brather (Berlin/New York, 2001). In Jahrbücher für Geschichte Osteuropas 51 (2003): 281-284.

Review of Medieval Frontiers. Concepts and Practices, ed. by David Abulafia and Nora Berend (Burlington, 2002). In The Medieval Review 03.03.21.

Review of The Early Slavs. Culture and Society in Early Medieval Eastern Europe, by Paul M. Barford (London, 2001). In European Journal of Archaeology 6 (2003), no. 1: 99-101.

Review of Writing, Society, and Culture in Early Rus, c. 950-1300, by Simon Franklin (Cambridge, 2002). In The Medieval Review 03.07.16.

“The making of the Slavs reconsidered,” lecture for the International Workshop “Slawische Ursprünge/Slavic Origins” of the Forschungsstelle für Geschichte des Mittelalters of the Austrian Academy of Sciences (Vienna, Austria, January 17-18, 2003)