Columbia subject headings:
Ibn Sahl al-Isrāʼīlī, Ibrāhīm, -1251 or 1252--Criticism and interpretation.
Harvard subject headings:
Ibn Sahl al-Isrāʼīlī, Ibrāhīm, -1251 or 1252. Tawshīḥ.
Princeton subject headings:
Ibn Sahl al-Isrāʼīlī, Ibrāhīm, -1251 or 1252--Criticism and interpretation.