Dennis Halft, “Pietro della Valle. Risāla-yi Piṭrūs dillā Vāllī,” in: Christian-Muslim Relations. A Bibliographical History, vol. 10 (Ottoman and Safavid Empires 1600‒1700), ed. D. Thomas and J. Chesworth, Leiden: Brill, 2017, 457‒460.
Dennis Halft, “Pietro della Valle. Risāla-yi Piṭrūs dillā Vāllī,” in: Christian-Muslim Relations. A Bibliographical History, vol. 10 (Ottoman and Safavid Empires 1600‒1700), ed. D. Thomas and J. Chesworth, Leiden: Brill, 2017, 457‒460.