Columbia subject headings:
Igbo (African people)--Religion.
Mysticism--Nigeria.
Mysticism.
Nigeria--Religious life and customs.
Occultism--Nigeria.
Harvard subject headings:
Igbo (African people)--Religion.
Mysticism--Nigeria.
Mysticism.
Nigeria--Religious life and customs.
Occultism--Nigeria.
Princeton subject headings:
Africa, West--Religion.
Christianity and superstition.
Igbo (African people)--Religion.
Occultism--Africa, West.
Superstition--Africa, West.