1. Franz Daxecker, "The Astronomer Christoph Grienberger and the Galilei Trial," Acta Historica Astronomiae18 (2003), 34-39
2. Michael J. Gorman, Mathematics and Modesty in the Society of Jesus: The Problems of Christoph Grienberger (1564-1636) (Stanford: Stanford University Press, 2002).
3. Christophorus Clavius, Corrispondenza, ed. Ugo Baldini and Pier Daniele Napolitani, 7 vols. (Pisa: Edizioni del Dipartimento di Matematica dell’Università di Pisa, 1992); Vincent Cronin, The Wise Man from the West: Matteo Ricci and His Mission to China (London: R. Hart-Davis, 1955); Jacques Gernet, “Della Entrata della Compagnia di Giesù e Cristianità nella Cina de Matteo Ricci (1609) et les remaniements de sa traduction latine (1615),” Académie des Inscriptions et Belles Lettres. Comptes Rendus147, no. 1 (2003), 61–84; James M. Lattis, Between Copernicus and Galileo: Christoph Clavius and the Collapse of Ptolemaic Cosmology (Chicago: University of Chicago Press, 1994); Jonathan D. Spence, The Memory Palace of Matteo Ricci (New York: Penguin Books, 1985).
4. Luca Fezzi, "Osservazioni sul De Christiana Expeditione apud Sinas Suscepta ab Societate Jesu di Nicolas Trigault," Rivista di Storia e Letteratura Religiosa35 (1999), 541-66
5. Edmond Lamalle, "La propagande du P. Nicolas Trigault en faveur des missions de Chine (1616)," Archivium Historicum Societatis Jesu9 (1940), 49-120