Columbia subject headings:
Harvard subject headings:
Epic literature, Turkic.
Folk literature, Turkish
Yūsuf, khāṣṣ-hājib, active 11th century. Ḱutadǵu biliğ.
Princeton subject headings:
Yūsuf, khāṣṣ-hājib, active 11th century. Ḱutadgú biliğ.