Columbia subject headings:
Ibn al-Rāhib, Abū Shākir ibn Buṭrus, active 1249-1282.
Harvard subject headings:
Ibn al-Rāhib, Abū Shākir ibn Buṭrus, active 1249-1282.
Princeton subject headings:
Ibn al-Rāhib, Abū Shākir ibn Buṭrus, active 1249-1282.