Abímbolá, W. (1968). Ìjìnl??Ohùn ?nu Ifá. Apá kìíní. ??y??: Aim Press andPublishers.
(1976). IFÁ: An Exposition of Ifá Literary Corpus. Ìbàdàn: OxfordUniversity Press.
(1977a). Ifá Divination Poetry. New York: Nok Publishers Limited.
(1983). “Ifa as a Body of Knowledge and as an Academic Discipline.” Culture and Idea 1(1), 1-11.
Abiodun, M. (1998). “Insults as jokes: A study of language use in thecontext of the game of ayò.” Journal of Nigerian Languages andLiteratures. 6:39-43.
Adeoye, C. L.. (1985). Igbagbo ati Esìn YorUba. Ibadan Evans Brothers (Nigeria Publishers) Ltd.
Ajayi, B. 1990). “A New Model of Ifá Binary System." ABACUS: Journalof the Mathematical Association of Nigeria, 20 (1), 57–64..(2002). Ifa Divination: Its Practice among the Yorùbá of Nigeria.Ijebu-ode: Shebiotimo Publications.
AkIntOlA, A. (1999). Yoruba Ethics and Metaphysics. Ogbomo?o:YALOYN Publishing Ventures.
Alain, R. (2009). “Africa and Writing.” T. ?laniyan & A. Quayson (Eds.),African Literature: An Anthology of Criticisms and Theory (pp.7–15). Australia: Blackwell Publishing.
Aromoláran, A., and Oyebamiji, M. (1976). Akomolede Ijingle Yoruba (3).Lagos: Macmillan Nig. Limited.
Combs G., & Jill F. (1990). Symbol, Story, and Ceremony: UsingMetaphor in Individual and Family Therapy. New York: Nortonand Company.
Dáram??lá, O. and A. Jéjé. (1967). Àw?n à?à àti òri?à il?? Yorùbá. Ìbàdàn:Oníb?n-òjé.
Fábùnmi, M. A. (1972). Àyáj?? Ìjìnl?? Ohùn ?nu If??. Ìbàdàn: Oníb?n-òjéPress.
Faturoti, G. (2015, September 7). Ayò ?l??p??n Now Played on MobileDevices. Daily Independent, p. 20.
Ilésanmí, T. M. (2004). Yorùbá Orature and Literature: A CulturalAnalysis. Ilé- If??: ?báf??mi Awól??w?? University Press Ltd.
Kennedy, X. J. and Gioia. D. (2007). An Introduction to Poetry, 12th ed.,Pearson and Longman.
K?m?laf?, E. (1978). Eré ?í?e ni il?? Yorùbá. Ìwé À?a Ìbíl?? ed. by O.?lajubu. Lagos: Longman Nigeria Limited, 178-88.
Ládélé, T. A. A, Oyebamiji M., Awórìndé, I. A. Oyèrìndé, O., and?latunbosun. ?. (1986). Àkój?p?? Ìwádìí À?à Yorùbá. Ìbàdàn:Macmillan Nig. Limited.
Long?, O. (1983). Ifá Divination and Computer Science. Inaugurallecture delivered on 22 December 1983. Ibadan: University ofIbadan.
McGEE, A. (1983). Some mathematical observations on the Ifá beliefsystem practiced by the Yorùbá people of Nigeria. Journal ofCulture and Ideas, 1 (1), 95–114.
Madubuike, S. (2005). The role of language in socialization and culture.A. Ajayi (Eds.), African Culture and Civilization, (pp. 325-331).Ibadan: Atlantis Books.
Na’ Allah, A. (2010). Discourse in Islam, Oral Traditions, andPerformance. Retrieved from book.google.com.ng/books?i01YCBdDqZJ4Loc&PA39&1pg=PA398&dqYoruba+traditional+ganes&source=bi&ots=4desPaHAFW&Sing=YxIZnyVKCWCOKJ1+,VV8U
Nleya S. and Ndlovu S. (2020). Audit of Mathematics Concepts in Pre-colonial Africa. Artwell Nhemachena, NokuthulaHlabangane & Joseph Z. Z. Matowanyika (Eds.), DecolonisingScience, Technology, Engineering and Mathematics (STEM) in anAge of Technocolonialism: Recentering African IndigenousKnowledge and Belief Systems (pp. 125-149) Cameroon:Bamanda, North West Region.
Ogundele, S. O. (2021). Understanding the power of the past for Nigeriandevelopment. Inaugural lecture, April 29, University of Ibadan.Ibadan: University Press.
Orogbade, P. O (2017). IFA: The Misery of Life. O?ogbo: TargfordPublishers.
?ládàp??, ?. (2010). Àk??b??r?? Ewì. Ibadan: ?látúnb??sún RecordsCompany
?látúnjí, ?. (2005). Features of Yorùbá Oral Poetry. Ìbàdàn: UniversityPress.
Pasner, R. (2007). Semiotics and ancient history: Youzhan li Background.A Paper read at Helsinki University on June 13 as a plenary lecturefor the 9th IASS Congress.
Peirce, S. (1931). “semiotics” Retrieved from http://www.singnosemio.can/peirce/semiotics.asp,
Peel, J. D. Y. (1984). “The Past in Ij?sha Present.” Man, nos. 19. 111-32.
Petrilli S. and Ponzio A. (2007). “What is semiotics?” Retrieved fromhttp://vip.db.dk/signs/WIS.htm
Roy, I. (2003). Anthropology: The Study of Man. New Delhi: S. Chandand Company.
Sàlámì, A. (2002). Ifá: A complete divination. Lagos: NIDD Publishers.
Saussure de F. (1974). Course in General Linguistics. London: Collins.
Trudgill, P. (1974). Sociolinguistic: An Introduction to Language andSociety. London: Penguin Books Ltd.
Yémiítàn, ?., and ?lajide. O. (1970). Oju Ò?ùpá. Apá kìnní. Ìbàdàn:Oxford University Press.