1. Adepegba, C. O. (1995). Nigerian art: Its traditions and modern tendencies. IJODAD Publishers.
2. Beidelman, T. O. (1963). Witchcraft in Ukaguru. Routledge & Kegan Publishers.
3. Chaudhuri, U. (2012, April). What is the role of animals in art? http://journal.juilliard.edu/journal/what-role-animals-art
4. Eyo, E. and Willett, F. (1980). Treasures of ancient Nigeria. Alfred A. Knopf Publishers.
5. Fagg, B (Ed.). (1957). The cave painting and rock gongs of Birnin Kudu. Cambridge University Press.