Columbia subject headings:
Azerbaijan--Civilization.
Niẓāmī Ganjavī, 1140 or 1141-1202 or 1203.
Poets, Persian--747-1500--Biography.
Harvard subject headings:
Azerbaijan--Civilization.
Niẓāmī Ganjavī, 1140 or 1141-1202 or 1203--Criticism and interpretation.
Poets, Persian--747-1500--Biography.
Princeton subject headings: