Abiọdun, M. A. (n.d.) A dialectological survey of the honorific pronoun in Yorúbá. Mimeo.
Adejokun, O. A. (1990). Communicative functions and pronominal variation in Yoruba language. B.A. long essay, University of Ibadan.
Adeniran, A. (1990). Yoruba-English code-mixing and code-switching in conversational discourse: Some communicative motivations. Paper presented at the 19th West African Languages Congress, University of Ghana, Legon, 4–604 1990.
Adetugbọ, A. (1969). The pronoun in Yoruba: Its functions in three dialects. Paper presented at the 8e Congrès de la Société Linguistique de L'Afrique Occidentale, Abidjan.
Awobuluyi, Ọladele. (1978). Essentials of Yoruba grammar. Ibadan: University Press Limited.
Bamgboṣe, Ayọ (1967). A short Yoruba grammar. Ibadan: Heinemann.
Banjọ, Ayọ (1970). A historical view of the English language in Nigeria. Ibadan 25:63–68.
Bates, Elizabeth, & Benigni, L. (1975). Rules for address in Italy: A sociological survey. Language in Society 4:271–88.
Brown, Roger, & Ford, Marguerite (1961). Address in American English. Journal of Abnormal and Social Psychology 62:375–85. Reprinted in Hymes 1964:234–44.
Brown, Roger, & Gilman, Albert (1960). The pronouns of power and solidarity. In Sebeok, Thomas (ed.), Style in language, 253–76. New York: Wiley.
Ervin-Tripp, Susan M. (1972). Sociolinguistic rules of address. In Pride, & Holmes, 1972:225–40.
Evans-Pritchard, Edward E. (1948). Nuer modes of address. Uganda Journal 12:166–71. Reprinted in Hymes 1964:221–27.
Fadipẹ, Nathaniel A. (1970). The sociology of the Yoruba. Ibadan: Ibadan University Press.
Fasold, Roger (1990). The sociolinguistics of language. Oxford: Blackwell.
Firth, John R. (1937). The tongues of men. Oxford: Oxford University Press.
Geertz, Clifford (1972). Linguistic etiquette. In Pride, & Holmes, 1972:167–79.
Hymes, Dell (1964), ed. Language in culture and society. New York: Harper & Row.
Labov, William (1972). The study of language in its social context. In Pride, & Holmes, 1972:180–202.
Lambert, Wallace, & Tucker, G. R. (1976). Tu, vous, usted: A socio-psychological study of address patterns. Rowley, MA: Newbury House.
Mehrotra, Raja Ram (1981). Non-kin forms of address in Hindi. International Journal of the Sociology of Language 32:121–37.
Ọlabọde, A. (1987). ĺṣọwó-ló-óró-arópó orúkọ nínú ùdù Yorñbá. Pépá tí a ká ní sémíná 1óri áwọn ábó ìwádìí tuntun nínú isé-akadá Yorùbá, ní ìrántí Oloogbe Enjinníá Adeyemi Kárúnwí. 24–26 Osu Kejọ, ọdun 1987. [Pronoun usage in Yoruba. Paper presented at a seminar in honor of the late Engineer Adeyemi Karunwi, University of Lagos, 24–26 August 1987.] MS.
Paulston, Christina B. (1975). Language and social class: Pronouns of address in Swedish. (Working papers in sociolinguistics, 29.) Austin, TX: South-West Educational Development Laboratory.
Pride, John B., & Holmes, Janet (1972), eds. Sociolinguistics. Harmondsworth: Penguin.