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‘Inter-war ideology in Nelly’s photos: Nationalism, fascism and the classical tradition’, Journal of Modern Greek Studies 2013, c. 40 pp.
‘The use of coins in the Roman empire’, AncientPlanet Online Journal, 2013, http://ancientplanet.blogspot.co.uk
‘Roman army and the monetisation of Dacia’, in N. Sekunda et al. (ed.), Armees grecques et romaines dans le nord des Balkans, Akanthina, Series 12, Gdansk 2012, 193-206.
‘Small change in the Roman Empire’, in A. Kuroda (ed.), Monies for Ordinary People: Neither Precious, Nor National, International Workshop at the University of Tokyo, 15-16 October 2009, Tokyo 2009, pp. 78-86.
‘Coinage changes in Asia Minor during the third century AD’, in A. Sideris et al. (eds.), Encyclopaedia Micrasiatica Greca, Foundation of the Hellenic World, Athens 2009 (in Greek and English).
‘Customs in Asia Minor’, in A. Sideris et al. (eds.), Encyclopaedia Micrasiatica Greca, Foundation of the Hellenic World, Athens 2009 (in Greek and English).
‘Electron’, in A. Sideris et al. (eds.), Encyclopaedia Micrasiatica Greca, Foundation of the Hellenic World, Athens 2009 (in Greek and English).
‘Invention of coinage’, in A. Sideris et al. (eds.), Encyclopaedia Micrasiatica Greca, Foundation of the Hellenic World, Athens 2009 (in Greek and English).
‘The Roman colonies of Greece and Asia Minor: Questions of state and civic identity’ (co-author S. Mitchell), Athenaeum 95 (2008), pp. 219-247.
‘World slavery and comparative slavery: Diachronic approaches’, (co-author E. Dal Lago), in C. Katsari and E. Dal Lago (eds.),From Captivity to Freedom: Themes in Ancient and Modern Slavery, Leicester: Leicester University 2008, pp. 1-15.
‘Enslavement and death: the Third Macedonian War’, in C. Katsari and E. Dal Lago (eds.), From Captivity to Freedom: Themes in Ancient and Modern Slavery, Leicester: Leicester University 2008, pp. 16-33
‘Ideal models of slave management in the Roman world and the ante-bellum American South’, (co-author Enrico Dal Lago), in E. Dal Lago and C. Katsari (eds.), Slave Systems: Ancient and Modern, Cambridge: Cambridge University Press 2008, pp. 187-213.
‘The study of ancient and modern slave systems: setting an agenda for comparison’ (co-author E. Dal Lago), in E. Dal Lago and C. Katsari (eds.), Slave Systems: Ancient and Modern, Cambridge: Cambridge University Press 2008, pp. 3- 31.
‘The monetisation of Rome’s frontier provinces’, in W. Harris (ed.), The Monetary Systems of the Greeks and the Romans, Oxford: Oxford University Press 2008, pp. 242-266.
‘Manumissio e ribellione nell Impero romano e nell Sud degli Stati Uniti prima della Guerra Civile’ (co-author Enrico Dal Lago), in M. Garrido-Hory and A. Conzales (eds.), La fin du statut servile. Affrachissement, liberation, abolition, passage à d’ autres formes de dependence. XXXe colloque du GIREA, Besancon 15-17 December 2005, Paris: Les Belles Lettres 2008, pp. 417-427
‘Comparative Slavery: A historian’s view’ Archaeological Dialogues 15.2 (2008), pp. 130-134.
‘Money and proto-national identities in the Greco-Roman cities of the first and the second centuries AD’, National Identities 8.1 (2006), pp. 1-20.
‘The development of political identities in Phrygia from the second century BC to the third century AD: The case of Amorium’,Annali: Istituto Italiano di Numismatica (2006), pp. 1-32.
‘The monetization of Roman Asia Minor from Septimius Severus to Gallienus’, in C. Katsari and S. Mitchell (eds.), Patterns in the Economy of Roman Asia Minor, Swansea: The Classical Press of Wales 2005, pp. 261-289.
‘Introduction: The economy of Roman Asia Minor’ (co-author S. Mitchell), in C. Katsari and S. Mitchell (eds.), Patterns in the Economy of Roman Asia Minor, Swansea: The Classical Press of Wales 2005, pp. xiii-xxxi.
‘Bimetallism and the circulation of gold coins during the third and fourth centuries AD?’, Münstersche Beiträge zur Antiken Handelsgeschichte 22.1 (2003), pp. 22-41.
‘Opramoas and the importation of bronze coins in Roman Lycia’, Epigraphica Anatolica 35 (2003), pp. 141-145.
‘The organisation of Roman mints during the third century AD: the view from the eastern provinces’, Classics Ireland 10 (2003), pp. 27-53.
‘The statistical analysis of stray coins in museums: the Roman Provincial Coinage’, Nomismatika Khronika 22 (2003), pp. 47-56 (In both English and Greek).
‘Evaluating web-based research in the field of ancient numismatics’, Pegasus: The Journal of the University of Exeter 46 (2003), pp. 29-34.
‘The military orientation of the Roman emperors, Septimius Severus to Gallienus’, Anistoriton Journal 6 (2002), pp. 1-6. http://users.hol.gr/~ianlos/e022.htm
‘The concept of inflation in the Roman Empire’ Economics Working Paper Archive, Economic History Series, University of Washington (April 2002) no.020400 (http://econwpa.wustl.edu:8089/eps/eh/papers/0204/0204001.pdf)
‘Public images of Roman imperial women during the Julio-Claudian period: A review article’, Women Studies’ Review, 8 (2002), pp. 1-12. An abbreviated version of this article appears in R. Pelan and A. Hayes (eds.), Women Emerging, Women’s Studies Centre, National University of Ireland, Dublin 2005.
“Reassessing the function of grooves in Mycenaean tombs”, (co-author P. Grigoriadou), Papers from the Institute of Archaeology, 12 (2001), pp. 66-76.