Title: Naẓar-i mutafakkirān-i Islāmī dar bārah-ʼi ṭabīʻat
Subjects: Islamic philosophy, Philosophy of nature, Ikhwān al-Ṣafāʼ, Medieval Philosophy, Islamic cosmology
People: Muḥammad ibn Aḥmad Bīrūnī (973?-1048), Avicenna (980-1037)