He also published articles on various forms of cancers, and the art of surgery. His research on the history of medicine resulted in articles on hospitals in the Arab world, Ibn al-Nafis (the 19th-century physician who discovered pulmonary circulation), Hippocrates, Galen, Arab dentistry, cesarean section, medical ethics, medical biographies, and a catalogue of the Arabic medical manuscripts he had collected. He also wrote the history of Arabic script, the medical problems in Arab countries, and the Mameluke documents concerning the church of the Nativity in Jerusalem.