| 2018.
‘A Ninth Century Turnaround in Southeast Europe: Christianization of Bulgaria and Constantinople’s Embracing of the Slavs’, in: I. Biliarsky (ed.), Laudator temporis acti. Studia in memoriam Ioannis A. Božilov, vol. I, Religio-Historia, Sofia, ISBN 978-619-176-131-9, pp. 257–263. |
| 2016. (Editor in Chief), The Balkans and the Byzantine World before and after the Captures of Constantinople, 1204 and 1453 (Lexington Books (Lanham-Boulder-NewYork-London). [978-1-4985-1325-8 • Hardback; 978-1-4985-1326-5 • eBook]; Paperback edition 2018 |
| 2017. ‘Putting Byzantium Back on the Map’, Modern Greek Studies Yearbook 32/33 (2016/2017), pp. 399–405. [ISSN 0884-8432] |
| 2017. ‘King Milutin and his Many Marriages (*1254, +November 21, 1321, r. 1282–1321)’, in D. Ostrowski, Ch. Raffensperger (eds.), Portraits of Medieval Eastern Europe, Routledge, Taylor & Francis Group (London and New York), chapter 11. [ISBN: 978-1-138-63704-7 (hbk), ISBN: 978-1-138-70120-5 (pbk), ISBN: 978-1-315-20417-8 (ebk)] |
| 2016.
'In the Balkans "Without" Constantinople: Questions of Center and Periphery', in: V. Stanković (ed.), The Balkans and the Byzantine World before and after the Captures of Constantinople, 1204 and 1453, Lexington Books (Lanham-Boulder-New York-London), pp. XI–XVII. |
| 2016.
'Rethinking the Position of Serbia within the Byzantine Oikoumene in the Thirteenth Century', in: V. Stanković (ed.), The Balkans and the Byzantine World before and after the Captures of Constantinople, 1204 and 1453, Lexington Books (Lanham-Boulder-New York-London), pp. 89–100. |
| 2016.
''John II Komnenos Before the Year 1118', in: A. Buccossi-A. Rodrigues Suarez (eds.), John II Komnenos, Emperor of Byzantium: In the Shadow of Father and Son, Ashgate (Abingdon-New York), pp. 11-21. [ISBN 9781472460240] |
| 2015.
'Stronger Than It Appears? Byzantium and Its European Hinterland after the Death of Manuel Komnenos', in: A. Simpson (ed.), Byzantium, 1180-1204: “The sad quarter of a century”?, Athens (EIE/National Hellenic Research Foundation), pp. 35–48. |
| 2013.
‘The Komnenoi and Constantinople before the Building of the Pantokrator Complex' (with contributions by A. Berger), in: S. Kotzabassi (ed.), The Pantokrator Monastery in Constantinople (Byzantinisches Archiv 27), Berlin-Boston 2013, pp. 3-32 (ISBN: 978-1-61451-599-9). |
| 2013.'The Path toward Michael Keroularios: the Power, Self-presentation and Propaganda of the Patriarchs of Constantinople in the Late 10th and Early 11th Century', in: M. Grünbart, L. Rickelt, M. M. Vučetić (eds.), Zwei Sonnen am Goldenen Horn? Kaiserliche und patriarchale Macht im byzantinischen Mittelalter, Münster 2013, pp. 137-154 (ISBN 978-3-643-11540-9). |
