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Morton-Williams, Peter (1966). "Two Studies of Ifa Divination. Introduction: The Mode of Divination". Africa: Journal of the International African Institute. 36 (4): 406–431. doi:10.2307/1158049. JSTOR1158049. S2CID145352272.
LaGamma, Alisa. (2000). Art and oracle : African art and rituals of divination. Pemberton, John, 1928-, Metropolitan Museum of Art (New York, N.Y.). New York: Metropolitan Museum of Art. ISBN978-0870999338. OCLC43296774.
Van Beek, W. E. A.; Peek, Philip M. (2013). Reviewing reality : dynamics of African divination. Beek, W. E. A. van., Peek, Philip M. Wien. ISBN9783643903358. OCLC828892524.{{cite book}}: CS1 maint: location missing publisher (link)
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