The social and political history of early America, with particular reference to the American Revolution; the early modern British Atlantic world; the Transatlantic Slave Trade and the development of plantation slavery; historical and modern understandings of American history and society.
- ‘Agli amici dei Diritti dell’Uomo. Thomas Paine e le origini della politica Americana,’ in L'età di Thomas Paine. Dal senso comune alle libertà civili americane, eds. Marco Sioli and Matteo Battistini (Milan: FrancoAngeli, 2011), 113-123.
- ‘Incarcerated Innocents: Inmates, Conditions, and Survival Strategies in Philadelphia’s Almshouse and Jail.’ Co-authored with Billy G. Smith, and forthcoming in Buried Lives: Incarcerated in Early America, ed. Michele Lisle Tarter and Richard Bell (Athens: University of Georgia Press, 2012), 60-84.
- 'Interdisciplinary approach to the demography of Jamaica.' Co-authored with Michael L Deason, Antonio Salas, Vincent A Macaulay, Errol Morrison, and Yannis P Pitsiladis. BMC Evolutionary Biology, 12: 24 (February 2012): http://www.biomedcentral.com/1471-2148/12/24/