Columbia subject headings:
Harvard subject headings:
Ibn al-Nadīm al-Mawṣilī, Isḥāq ibn Ibrāhīm, 771 or 772-849 or 850.
Music--Islamic Empire--History and criticism.
Musicians--Iraq--Biography.
Princeton subject headings:
Ibn al-Nadīm al-Mawṣilī, Isḥāq ibn Ibrāhīm, 771 or 772-849 or 850.
Iraq--History--634-1534.
Iraq--Intellectual life.
Musicians--Iraq--Biography.