Columbia subject headings:
Harvard subject headings:
Islam and state.
Islam--Government
Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad, 1201-1274
Princeton subject headings:
Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad, 1201-1274--Views on Islam and state.