Read more on diglossia
- For the original concept of diglossia according to Ferguson (1959) see:
Ferguson, Charles A. (1959). Diglossia. Word, 15: 325 – 340.
(Reprinted e.g. in Paulston, Christina B. and Tucker, Richard G. (eds.) 2003. Sociolinguistics: The Essential Readings. Malden, Mass. et al.: Blackwell and in Wei, Li. 2000. The Bilingualism Reader. London and New York: Routledge).
- For the modification of Ferguson’s (1959) original concept by Fishman (1967) see:
Fishman, J. (1967). Bilingualism with and without Diglossia; Diglossia with and without Bilingualism. Journal of Social Issues, 23: 29 – 38.
(Reprinted e.g. in Wei, Li. 2000. The Bilingualism Reader. London and New York: Routledge).
- For a summary and critique of Ferguson’s (1959) and Fishman’s (1967) approach to diglossia see, for example:
Fasold, R. 1987. The Sociolinguistics of Society. Oxford/UK and Malden/USA: Blackwell, ch. 2.