Columbia subject headings:
Art, Songye.
Masks, Songye.
Songye (African people)--Social life and customs.
Harvard subject headings:
Art, Songye.
Masks, Songye.
Songye (African people)--Social life and customs.
Princeton subject headings:
Art, Songye.
Masks, Songye.
Songye (African people)--Social life and customs.