Columbia subject headings:
Historians--Islamic Empire.
Historiography.
Islamic Empire--History--750-1258.
Ṭabarī, 838?-923.
Harvard subject headings:
Historians--Islamic Empire.
Islamic Empire--History--750-1258.
Ṭabarī, 838?-923.
Princeton subject headings:
Historians--Islamic Empire.
Islamic Empire--History--750-1258.
Ṭabarī, 838?-923.