Commentaries, Book reviews and Encyclopedia Entries

“Hospitals,” In Peter E. Pormann (ed.), 1001 Cures: Contributions in Medicine and Healthcare from Muslim Civilisation (Manchester: Foundation for Science Technology and Civilisation, 2017).


"Al-Andalus, Cosmological Ideas." In Encyclopedia of Astrobiology, Ricardo Amils, et. al. (Eds). Berlin: Springer, 2015
"Planetary Theories and Cosmology, Islamic Theories." In Encyclopedia of Astrobiology, Ricardo Amils, et. al. (Eds). Berlin: Springer, 2015.


With Allyssa Metzger. "Ikhwan Al-Safa." In Encyclopedia of Astrobiology, Ricardo Amils, et. al. (Eds). Berlin: Springer, 2015
With Allyssa Metzger. "Al-Tūsī, Nasir Al-Dīn." In Encyclopedia of Astrobiology, Ricardo Amils, et. al. (Eds). Berlin: Springer, 2015.


With Allyssa Metzger. "Al-Bīrūnī, Abū Rayḥān." In Encyclopedia of Astrobiology, Ricardo Amils, et. al. (Eds). Berlin: Springer, 2015.


"Commentary on De Pee." Fragments: Interdisciplinary approaches to the study of ancient and medieval pasts 2, (2012).


"Leigh Chipman, the World of Pharmacy and Pharmacists in Mamlūk Cairo. (Sir Henry Wellcome Asian Series, 8.) Leiden and Boston: Brill, 2010. Pp. Ix, 318; Tables. $154. Isbn: 978-9004176065." Speculum 87, no. 01 (2012): 196-97