2018       “​L’hérésie absente: Karaïsme et karaïtes dans les oeuvres polémiques d’Alfonso de Valladolid (m. V. 1347).” Archives de sciences sociales des religions 182 (2018): 191–206.

2018       “​The Perennial Importance of Mary’s Virginity and Jesus’s Divinity: Qur’ānic Quotations in Iberian Polemics after the Conquest of Granada (1492).” Journal of Qur’anic Studies 20.3 (2018): 51‒80. Co-authored with Mercedes García-Arenal and Katarzyna K. Starczewska.

2018       “​’Deleytaste del dulce sono y no pensaste en las palabras’: Rendering Arabic in the Antialcoranes.” Journal of Transcultural Medieval Studies 5.1 (2018): 99–132. Co-authored with Mercedes García-Arenal and Katarzyna K. Starczewska.

2016       “Testes sunt ipsi, testis et erroris ipsius magister: El musulmán como testigo en la polémica cristiana medieval.” Medievalia 19.2 (2016): 135-156.

2016       “Translating Between the Lines: Medieval Polemic and Romance Bibles.” Medieval Encounters 22.1-3 (2016): 113-139.

2015–2016       “The Art of Amazement: Wonder and Fictionality in Ramon Llull’s Vita coaetanea (1311).” Butlletí de la Reial Acadèmia de Bones Lletres de Barcelona 55 (2015–2016): 223–253.

2015       “From Founding Father to Pious Son: Filiation, Language, and Royal Inheritance in Alfonso X, the Learned” Interfaces: A Journal of Medieval European Literatures 1 (2015): 209-35.

2014       “La disputa de Barcelona como punto de inflexión.” Studia Lulliana 54 (2014): 3‒32.

2014       “A Sea of Stories: An Introduction.” (Co-authored with Lourdes María Alvarez). In “A Sea of Stories: Writings and Reflections in Honor of María Rosa Menocal.” Special issue co-edited with Lourdes María Alvarez. La Corónica 43.1 (2014): 93‒110.

2014       “Cracking the Code: Reflections on Manuscripts in the Age of Digital Books.” Digital Philology 3.1 (2014): 75–100.

                         –>Reprinted in short form in Tablet Magazine (Oct. 7, 2014). See Below for link.
–>Reprinted in short form in Chinese in Guancha (The Observer) (Nov. 4, 2014). See below for link.

2014       “The Aura of an Alphabet: Interpreting the Hebrew Gospels in Ramon Martí’s Dagger of Faith (1278).” Numen 61.4 (2014): 331–63.

2013       “Rhetorical Muslims: Islam as Witness in Western Christian Anti-Jewish Polemic.” Al-Qanṭara: Revista de estudios árabes 34.1 (2013): 153-85.

2012       “Preaching Paul to the Moriscos: The Confusión o confutación de la secta Mahomética y del Alcorán (1515) by Juan Andrés.” La Corónica 41.1 (2012): 317-343.

2012       “Between Court and Call: Catalan Humanism and Hebrew Letters.” eHumanista/IVITRA 1 (2012): 168-184.

2011       “Citas árabes en caracteres hebreos en el Pugio fidei del dominico Ramón Martí: entre la autenticidad y la autoridad.”  Al-Qanṭara: Revista de estudios árabes 32.1 (2011): 71-107. [In Spanish with an edition and Spanish translation of the Arabic and Latin texts].

2011       “Introduction: Between Gender and Genre in Later-Medieval Sepharad: Love, Sex, and Polemics in Hebrew Writing from Christian Iberia.” Special issue edited by Ryan Szpiech. Journal of Medieval Iberian Studies 3.2 (2011): 119–129.

2011       “Converting the Queen: Gender and Polemic in the Book of Aḥiṭub and Ṣalmon.” In “Between Gender and Genre in Later-Medieval SEpharad: Love, Sex, and Polemics in Hebrew Writing from Christian Iberia.” Special Issue edited by Ryan Szpiech. Journal of Medieval Iberian Studies 3.2 (2011): 203-217.

2010       “In Search of Ibn Sīnā’s ‘Oriental Philosophy’ in Medieval Castile.” Arabic Sciences and Philosophy 20.2 (2010): 185-206.

2010       “The Original is Unfaithful to the Translation: Conversion and Authenticity In Abner of Burgos and Anselm Turmeda.” eHumanista 14 (2010): 146-77.

2010       “Scrutinizing History: Polemic and Exegesis In Pablo De Santa Maria’s Siete Edades Del Mundo.Medieval Encounters 16 (2010): 96-142.

2005       “Converso Polemic In Naples: The Transmission of Paulus De Sancta Maria’s Scrutinium Scripturarum.Yale University Library Gazette Occasional Supplement 7 (2005): 113-128.


2020       “On the Road to 1391? Abner of Burgos / Alfonso of Valladolid on Forced Conversion.” In Forced Conversion in Christianity, Judaism and Islam: Coercion and Faith in Premodern Iberia and Beyond. Ed. Mercedes García-Arenal and Yonatan Glazer-Eytan. Leiden: Brill, 2020. 275–204.

2020       “Historical Approaches to Leaving Religion.” In Handbook of Leaving Religion. Ed. Daniel Enstedt, Göran Larsson, and Teemu T. Mantsinen. Leiden: Brill, 2020. 255–266.

2019       “Saracens and Church Councils, from Nablus (1120) to Vienne (1313–14).” In Jews and Muslims under the Fourth Lateran Council: Papers Commemorating the Octocentenary of the Fourth Lateran Council (1215). Ed. Marie-Thérèse Champagne and Irven M. Resnick. Turnhout: Brepols, 2019̆, 115–137.

2019       “From Mesopotamia to Madrid: The Legacy of Ancient and Medieval Science in Early Modern Spain.” In Science on Stage in Early Modern Spain. Ed. Enrique García Santo-Tomás. Toronto: University of Toronto Press, 2019, 25‒57.

2019       “Prisons and Polemics: Captivity, Confinement, and Medieval Interreligious Encounter.” In Polemical Encounters: Christians, Jews, and Muslims in Iberia and Beyond. Ed. Mercedes García-Arenal and Gerard Wiegers. University Park, Penn.: The Pennsylvania State University Press, 2019, 271‒303.

2017       “Ramon Martí’s New Testament Citations in Hebrew. A Transcription and Further Observations.” In Ramon Martí’s Pugio Fidei: Studies and Texts. Ed. Görge K. Hasselhoff and Alexander Fidora. Santa Coloma de Queralt: Obrador Edèndum, 2017, 157–173.

2017       “From Convert to Convert: Two Opposed Trends in Late Medieval and Early Modern Anti-Jewish Polemic.” In Revealing the Secrets of the Jews: Johannes Pfefferkorn and Christian Writings about Jewish Life and Literature in Early Modern Europe. Ed. Jonathan Adams and Cordelia Hess. Berlin: De Gruyter, 2017, 219–244.

2017       “Conversion as a Historiographical Problem.” In Contesting Inter-Religious Conversion in the Medieval World. Ed. Yaniv Fox and Yosi Yisraeli. New York: Routledge, 2017, 24‒38.

2016       “A Witness of Their Own Nation: On the Influence of Juan Andrés.” In After Conversion: Iberia and the Emergence of Modernity. Ed. Mercedes García-Arenal. Leiden: Brill, 2016,174‒198.

2016       “Granada.” In Europe: A Literary History, 1348–1418. Ed. David Wallace. 2 vols. New York: Oxford University Press, 2016, 2:154-169.

2014       “‘Petrus Alfonsi…Erred Greatly’: Alfonso of Valladolid’s (d. ca. 1347) Imitation and Critique of Petrus Alfonsi’s Dialogus.” In Petrus Alfonsi and his Dialogus: Background, Context, Reception. Ed. Carmen Cardelle de Hartmann and Philipp Roelli.  Micrologus’ Library 64. Florence: Sismel Edizioni del Galluzzo, 2014, 321–48.

2014       “Américo Castro, Erich Auerbach, y la «ciencia» historiográfica.” In Encrucijada de culturas: Alfonso X y su tiempo. Homenaje a Francisco Márquez Villanueva. Ed. Emilio González Ferrín. Sevilla: Fundación Tres Culturas del Mediterráneo, 2014, 101‒124.

2013       “The Convivencia Wars: Decoding Historiography’s Polemic with Philology.” In A Sea of Languages: Rethinking the Arabic Role in Medieval Literary History. Ed. Susan Akbari and Karla Mallette.  Toronto: University of Toronto Press, 2013, 135–161.

2012       “Latin as a Language of Authoritative Tradition.” In Oxford Handbook of Medieval Latin Literature. Edited by Ralph Hexter and David Townsend. Oxford/New York: Oxford University Press, 2012. 63‒85.

2012       “Translation, Transcription, and Transliteration in the Polemics of Raymond Martini, O.P. (d. after 1284).” In Translating the Middle Ages. Edited Charles D. Wright and Karen Fresco. Aldershot: Ashgate, 2012. 171‒187.

2012       “A Father’s Bequest: Augustinian Typology and Personal Testimony in the Conversion Narrative of Solomon Halvei/Pablo de Santa María.” In The Hebrew Bible in Fifteenth-Century Spain: Exegesis, Literature, Philosophy, and the Arts. Ed. Jonathan Decter and Arturo Prats. Leiden: Brill, 2012. 177‒98.

2010       “Polemical Strategy and the Rhetoric of Authority in Alfonso of Valladolid/Abner of Burgos.” In Late Medieval Jewish Identities. Iberia and Beyond. Ed. María Esperanza Alfonso and Carmen Caballero-Navas. New York: Palgrave-Macmillan, 2010. 55‒76.


2019     “The Anti-Jewish Tropes in How the Grinch Stole Christmas.” JSTOR Daily (December 25, 2019) 

2019     “Language and Identity: Lessons from a Unique Afrikaans Community in Patagonia.” The Conversation (Africa Ed.) (January 8, 2019) Co-authored with Nicholas Henriksen, Andries Coetzee, Lorenzo García-Amaya,  Paulina Alberto, Victoria Langland, and Joshua Shapero. 

2018       “Afrikaans in Patagonia: Voices of Displacement.” Babel: the Language Magazine (August 2018): 16–21. Co-authored with Nicholas Henriksen, Andries Coetzee, Lorenzo García-Amaya, Paulina Alberto, Victoria Langland, and Joshua Shapero.

2014       Entry on “Lope Obregón.” In Christian-Muslim Relations: A Bibliographical History. Volume 6. Western Europe (1500-1600) Edited by David Thomas and John Chesworth, with John Azumah, Stansilaw Grodz, Andrew Newman, Douglas Pratt, 169–75. Leiden: Brill, 2014.

2014       “The Dagger of Faith in the Digital Age.” Tablet Magazine (Oct. 7, 2014). Reprint in short form of “Cracking the Code” (see above)

2014       “中世纪手稿告诉你,谷歌如何摧毁阅读” Guancha (The Observer) (Nov. 4, 2014). Chinese translation of “The Dagger of Faith in the Digital Age” (see above).

2013       Three entries on “Pugio Fidei,” “Fortalitium Fidei,” “Moreh Ẓedek/Mostrador de justicia.” In Handbuch des Antisemitismus. Judenfeindschaft in Geschichte und Gegenwart. Band 6. Publikationen. [Handbook of Anti-Semitism. Hostility Toward Jews, Past and Present. Vol. 6. Publications.] ed. Wolfgang Benz. 7 vols., 6:212, 6:462-3, 6:557-8. Berlin: De Gruyter, 2008-2013. [In German].

2012       Four catalogue entries on medieval polemical manuscripts: (BNE Ms 19157; BNE Ms 9302; BNE Ms 442; Salamanca, Biblioteca Universitaria Ms 2352). In Biblias de Sefarad: las vidas cruzadas del texto y sus lectores. Sefardic Bibles: The Crossed Lives of the Text and its Readers. Edited by Javier del Barco, 300-311, 315-19. Madrid: Biblioteca Nacional, 2012. [In Spanish and English].

2012       Five Encyclopedia entries on Abner of Burgos/Alfonso of Valladolid: (“Alfonso of Valladolid / Abner of Burgos,” “Tehuvot la-Meḥaref,” Sermonas contra los moros y judíos,”Moreh Ẓedek,” “Libro de las tres creencias.”). In Christian-Muslim Relations: A Bibliographical History, IV: 1200-1350 C.E.. Edited by David Thomas and Alex Mallett, 955-76. Leiden: Brill, 2012.