Infectious Ideas: Contagion in Premodern Islamic and Christian Thought in the Western Mediterranean (Baltimore: Johns Hopkins Press, 2011).
“Writing the History of the Natural Sciences in the pre-modern Muslim world: Historiography, Religion, and the Importance of the Early Modern Period,” History Compass, v. 9 (2011), 923-51
“The Frontier of Gottfried Liedl: Situating the origins of European modernity in Naṣrid Granada,” Journal of Medieval Iberian Studies, v. 3 (2011), 247-62
“Representing and Remembering al-Andalus: Some Historical Considerations Regarding the End of Time and the Making of Nostalgia,” Medieval Encounters, v. 15 (2009), 355-74
“New Directions in the Study of Religious Responses to the Black Death,” History Compass, v. 7 (2009), 1-13
“Contagion in Theology and Law: Ethical considerations in the writings of two 14th century scholars of Nasrid Granada,” Islamic Law and Society, v. 14 (2007), 109-29
“Two Passages in Ibn al-Khatib’s Account of the Kings of Christian Iberia,” Al-Qantara, v. 25 (2004), 157-82.
“The Legal Status of Science in the Muslim World in the Early Modern Period: an initial consideration of fatwas from three Maghribi sources,” in Ahmed, Sadeghi, Bonner (eds.), The Islamic Scholarly Tradition: Studies in Islamic History, Law, and Thought in Honor of Professor Michael Allan Cook on His Seventieth Birthday (Leiden: Brill, 2011), 265-90
“Enduring the Plague: Ethical behavior in the fatwas of an 8th/14th century mufti and theologian,” in Muslim Medical Ethics: From Theory to Practice, eds. Jonathan Brockopp and Thomas Eich (Columbia: University of South Carolina Press, 2008), 38-54
Entries for al-Hasan al-Yusi and Ibn al-Banna in Dictionary of African Biography (2011)
Entry on “Contagion” for the Encyclopedia of Islam, 3rd edition (2010), 180-82.
Review of Avner Ben-Zaken, Cross-Cultural Exchanges in the Eastern Mediterranean, 1560-1660, in the International Journal of Middle East Studies, v. 43 (2011), 760-63
Review of Ahmad Dallal, Islam, Science, and the Challenge of History, in the Journal of the American Oriental Society, v. 131 (2011), 45-48
Review of Samer Akkach, Letters of A Sufi Scholar: The Correspondence of ‘Abd al-Ghani al- Nabulusi, in Review of Middle East Studies, v. 44 (2010), 62-63
Review of R. Kevin Jaques, Authority, Conflict, and the Transmission of Diversity in Medieval Islamic Law, in Review of Middle East Studies, v. 44 (2010), 94-97
Joint review of Yasin Dutton, Original Islam: Malik and the Madhhab of Madina and Rüdiger Lohlker, Islamisches Völkerrecht: Studien am Beispiel Granada in al-Qantara, v. 30 (2009), 664-70
Review of Rüdiger Lohlker, Islamisches Völkerrecht: Studien am Beispiel Granada, in International Journal of Middle East Studies, v. 41 (2009), 169-71
Review of Los Almohades: Problemas y Perspectivas (eds. Cressier, Fierro, Molina) in International Journal of Middle East Studies, v. 40 (2008), 491-93
(with William C. Jordan) Review of Stuart Borsch, The Black Death in Egypt and England: A Comparative Study in Speculum, v. 81 (2006), 1163-65.