Columbia subject headings:
Henshaw, James Ene--Criticism and interpretation.
Henshaw, James Ene--Religion.
Soyinka, Wole--Criticism and interpretation.
Soyinka, Wole--Religion.
Harvard subject headings:
Henshaw, James Ene--Criticism and interpretation.
Nigerian drama (English)--History and criticism.
Religion in literature.
Soyinka, Wole--Dramatic works.
Princeton subject headings: