Title: Mabādiʼ al-jism al-ṭabīʻī fī falsafat Ṣadr al-Dīn al-Shīrāzī
Subjects: Metaphysics, Philosophy of nature, Islamic philosophy
People: Muḥammad ibn Ibrāhīm Ṣadr al-Dīn Shīrāzī (-1641)