Columbia subject headings:
Harvard subject headings:
Courtly love in literature.
Iran--History--To 640.
Islamic Empire--Kings and rulers.
Khosrow II, King of Persia, -628.
Legends--Iran--History and criticism.
Niẓāmī Ganjavī, 1140 or 1141-1202 or 1203. Khusraw va Shīrīn
Persian poetry--747-1500--History and criticism
Shīrīn, Queen, consort of Khosrow II, King of Persia.
Princeton subject headings:
Khosrow I, King of Persia, -579--In literature.
Niẓāmī Ganjavī, 1140 or 1141-1202 or 1203. Khusraw va Shīrīn.