Calvo, Emilia. 2007. “Ibn Muʿādh: Abū ʿAbd Allāh Muḥammad Ibn Muʿādh Al-Jayyānī”. In The Biographical Encyclopedia of Astronomers, ed. Thomas Hockey, 562-63. New York: Springer.

Calvo, Emilia. 2007. “Jābir Ibn Aflaḥ: Abū Muḥammad Jābir Ibn Aflaḥ”. In The Biographical Encyclopedia of Astronomers, Springer Reference, ed. Thomas Hockey, 581-82. New York: Springer.

Calvo, Emilia, Nasr Pourjavady, and Živa Vesel. 2004. “The Treatise on the Zīj Al-safāʾiḥ by Abū Jaʿfar Al-Ḫāzin: A Preliminary Study”. In Sciences, Techniques Et Instruments Dans Le Monde Iranien (Xe-XIXe siècle), 67-78. Tehran: Presses universitaires d’Iran, l’Institut Français de recherche en Iran.

Calvo, Emilia. 2004. “Two Treatises on Miqat from the Maghrib (14th and 15th Centuries A.D.)”. Suhayl 4: 159-206.

Calvo, Emilia, and S. Ansari. 2002. “Ibn al‐Kammād’s Astronomical Work in Ibn al‐Hāʾim’s al‐Zīj al‐kāmil fī‐ʾl‐taʿālīm: I. Solar Year, Trepidation, and Timekeeping”. In Science and Technology in the Islamic World, 21:109-20. Turnhout: Brepols.

Calvo, Emilia. 2001. “Transformation of Coordinates in Ibn Bāṣo’s al‐Risāla Fī ʾl‐ṣafīḥa al‐mujayyaba dhāt al‐awtār”. Journal for the History of Arabic Science 12: 3-21.

Calvo, Emilia. 2000. “A Study of the Use of Ibn Bāṣo’s Universal Astrolabe Plate”. Archives Internationales d’histoire Des Sciences 50 (145): 264-95.

Calvo, Emilia. 1998. “Astronomical Theories Related to the Sun in Ibn Al-Hāʾim’s Al-Zīj al‐kāmil fī‐l‐taʿālīm”. Zeitschrift für Geschichte Der Arabisch-Islamischen Wissenschaften 12: 51-111.

Calvo, Emilia. 1997. “Ibn Al-Zarqāllu”. In Encyclopaedia of the History of Science, Technology, and Medicine In Non-Western Cultures, ed. Helaine Selin, 415-16. Dordrecht & Boston: Kluwer Academic.

Calvo, Emilia. 1997. “Yaḥyā Ibn Abī Manṣūr”. In Encyclopaedia of the History of Science, Technology, and Medicine in Non-Western Cultures, ed. Helaine Selin, 1043. Dordrecht; Boston: Kluwer Academic.