Monographs

  1. Der Islam auf dem Konzil von Basel (1431–1449). Eine Studie mit Editionen und Übersetzungen unter besonderer Berücksichtigung des Johannes von Ragusa (= Corpus Islamo-Christianum, Series Latina, 10), Wiesbaden: Harrassowitz 2019: Available in Open Access. Reviews by: Timo Bollen in: Zeitschrift für Kirchengeschichte (1/2021), 95–96; Mariarosa Cortesi in: QFIAB 102 (2022), 693–695; Jesse D. Mann in: Medieval Encounters 28 (2022) 517–526; Matthias Maser in: Mittellateinisches Jb. 56,1 (2021), 181–185; Thomas Prügl in: Deutsches Archiv 78,2 (2022), 766–768; Daniela Rando in: Rivista Storica Italiana 134,2 (2022), 649–654; Bénédicte Sère in: Le moyen âge (1/2021), 262–264; Joseph Wohlmuth in: Theologische Literaturzeitung 146 (2021), 278–281. 693–695
  2. Hamburg 1725, Berlin 1765, Wien 1800: Eine Begriffsgeschichte musikalischer Aufführung im 18. Jahrhundert, Mainz: Schott Campus, 2018: Available in Open Access.
  3. Erzählte Argumente: Exempla und historische Argumentation in politischen Traktaten c. 1265-1325 (= Studien und Texte zur Geistesgeschichte des Mittelalters, 123), Leiden: Brill, 2017. Publisher's webpage. Review by Frank Godthardt in: Zeitschrift für Historische Forschung (ZHF) 46,2 (2019), 324–326.

Articles

  1. forthcoming ‘From Florence, through Baghdad, into the World. Representing and analyzing influences on and of Riccoldo da Monte di Croce (d. 1320) as Linked Open Data’ in: Archa Verbi – Yearbook for the Study of Medieval Theology, 2025 [in print].
  2. forthcoming ‘Confutation, Conversion, Martyrdom. How John of Ragusa Sought to Confront the ‘Saracens’ While at Constantinople in 1435–1437’ in: Rivista Storica Italiana, 137.1 (2025), 268–303.
  3. ‘Unleash the Apparatus? Towards a shared representation of knowledge about connections between primary sources’, in: Digital Humanities in the Nordic and Baltic Countries Publications, 6.1 (2024).
  4. ‘Reasoning with Riccoldo. John of Ragusa’s Fragmentum de Conditionibus Legum, written at Constantinople (?) c. 1437’ in: K. Villads Jensen, D. Scotto (eds.), Riccoldo da Monte di Croce (†1320). Missionary to the Middle East and Expert on Islam, Stockholm, 2024, 219–237.
  5. ‘It Might Be Not Impossible: Negation, Ambiguity and the Role of the Narrator in Early-Modern Utopian Narrations.’ in: S. Grund, R. Kirstein and J. Wagner, Ambiguity and Narratology. Interdisciplinary Perspectives and Diachronic Case Studies (= Narratologia, 92), Berlin, 2024, 163–188.
  6. ‘Simplify and Doctrinalise, Historify and Personalise: How Two Less-Known Works of Anti-Islamic Polemic from c. 1370–1440 Adapted their Sources’ in: Journal of Qur'anic Studies 25.2 (2023) (European Visions of the Qur'an in the Middle Ages, ed. by F. Ninitte and I. Reginato), 186–210.
  7. ‘Matched weapons, rigged jury? The structure of the Immaculate Conception debate at the Council of Basel (1431–1449)’, in: F. Della Schiava, W. Decock, W. Druwé, W. Francois and G. Claessen, True Warriors? Negotiating dissent in the intellectual debate (c. 1100–1700) (= Lectio, 15), Turnhout: Brepols, 2023.
  8. ‘How history happens. Contingency and finality in the political philosophy of Marsilius of Padua, John Quidort of Paris and Dante Alighieri’ in: S. Masolini, A. Mulieri and J. Pelletier (eds.), Marsilius of Padua between History, Philosophy and Politics (= Disputatio, 36), Turnhout: Brepols, 2023, 253–284.
  9. (with Susanna Fischer): ‘Neugier auf Pilgerreise: Curiositas im “Liber peregrinationis” des Riccoldo da Monte di Croce (ca. 1301) und in Felix Fabris “Evagatorium” (nach 1484)’ in: A. Speer, M. R. Schneider (eds.) Curiositas (= Miscellanea Mediaevalia 42), Berlin/Boston: De Gruyter, 2022, 505–524
  10. ‘Qur’an at the Council. Manuscripts and Use of the Ketton Translation of the Qur’an at the Council of Basel (1431–1449)’, in: C. Ferrero Hernández, J. Tolan (eds.), The Latin Qur’an, 1143-1500. Translation, Transition, Interpretation (= The European Qur’an, 1), Berlin/Boston: De Gruyter, 2021, 185–204.
  11. ‘Waging war for justice. Utopian wars and the Roman expansion’, in: Wim François, Violet Soen, Anthony Dupont, Andrea Aldo Robiglio (eds.), Authority Revisited: Towards Thomas More and Erasmus in 1516 (= Lectio, 10), Turnhout: Brepols, 2020, 479–513.
  12. (with Juliane Hauser) ‘Bücher für die Mission. Johannes von Ragusa und die Schriften über den Islam im Basler Predigerkloster des 15. Jahrhunderts’, in: A. Speer, L. Reuke (eds.), Die Bibliothek – The Library – La bibliothèque. Denkräume und Wissensordnungen (= Miscellanea Mediaevalia, 41), Berlin/Boston: De Gruyter, 2020, 511–533.
  13. ‘“Minorem probat per simile”. Analogical Reasoning in the Commentaries on Aristotle’s Politics by Albert the Great and Thomas Aquinas’, in: M. Lutz-Bachmann, D. Carron, A. Spindler, M. Toste (eds.): Von Macht und Herrschaft. ‘Potestas’ und ‘dominium’ in der politischen Theorie des 13. und 14. Jahrhunderts (= Schwächediskurse und Ressourcenregime/Discourses of Weakness and Ressource Regimes, 3) Frankfurt: Campus, 2018, 49–70.

Smaller Contributions

  1. Sharing Knowledge about Interreligious Connections. A Linked Data Approach to Medieval Studies’, in: TEOL-information 70 (9/2024), 34–37.

Translations

  1. Athanasius Kircher, Musurgia Universalis sive Ars magna consoni et dissoni, Rome 1650 (10 volumes) Translated by Günter Scheibel, revised by Jacob Langeloh and Frank Böhling. Edited by Christoph Hust and Markus Engelhardt. About 1300 pages Latin original, 1700 pages translation. Published online

Datasets

  1. OTRA Ontology Contains classes, predicates, and types to represent intertextual relations and argumentative statements within interreligious encounters as Linked Data.
  2. OTRAone Dataset Linked Data representing the relations between multiple texts based on Riccoldo da Monte di Croce's Contra Legem Sarracenorum.