"Amos Tutuola," in Dictionary of Literary Biography, Volume 125: Twentieth-Century Caribbean and Black African Writers, second series, edited by Bernth Lindfors and Reinhard Sander, Gale, 1993, p. 332.

Collins, Harold R., Amos Tutuola, Twayne, 1969, pp. x, 19-22.

Lindfors, Bernth, ed., Critical Perspectives on Amos Tutuola, Three Continents Press, 1975, pp. xiii-xiv, 3, 73.

Owomoyela, Okeyan, Amos Tutuola Revisited, Twayne, 1999, p. 143.