authors with varying situations and applications in mind. These include works by Arienne Dwyer, Martin Ehala, M. Lynne Landwehr, Mark Karan, András Kornai, and Paul Lewis and Gary Simons. See also Classical language Cultural genocide Cultural hegemony Directorate of Language Planning and Implementation Endangered language Lists of endangered languages Ethnocide Extinct language Lists of extinct languages International auxiliary language Language contact Language movement Language policy Language revitalization Language shift Lingua Libre Linguistic discrimination Linguistic imperialism Linguistic purism Linguistic rights List of last known speakers of languages Minority language Native Tongue Title Prestige language Regional language Rosetta Project The Linguists (documentary film) References Further reading Abley, Mark. (2003). Spoken here: Travels among threatened languages. London: Heinemann. Aitchinson, Jean. (1991). Language change: progress or decay? Cambridge: Cambridge University Press. Bastardas-Boada, Albert (2007). "Linguistic sustainability for a multilingual humanity", Glossa. An Interdisciplinary Journal, vol. 2, num. 2. Batibo, Herman M. (2005). Language decline and death in Africa: Causes, consequences, and challenges. Multilingual Matters. Brenzinger, Matthias (Ed.). (1992). Language death: Factual and theoretical explorations with special reference to East Africa. Berlin/New York: Mouton de Gruyter. Brenzinger, Matthais (Ed.). (1998). Endangered languages in Africa. Cologne: Rüdiger Köper Verlag. Broderick, George. (1999). Language Death in the Isle of Man. Tübingen: Niemeyer. . Calvet, Louis-Jean. (1998). Language wars and linguistic politics. Oxford: Oxford University Press. Campbell, Lyle. (1994). Language death. In R. E. Asher (Ed.), The Encyclopedia of language and linguistics (pp. 1960–1968). Oxford: Pergamon Press. Campbell, Lyle; & Muntzel, M. (1989). The structural consequences of language death. In N. C. Dorian (Ed.). Cantoni-Harvey, Gina (Ed.). (1997). Stabilizing indigenous languages. Flagstaff, AZ: Northern Arizona University, Center for Excellence in Education. Crystal, David. (2000). Language death. Cambridge: Cambridge University Press. . Crystal, David. (2004). Language revolution. Cambridge: Polity Press. Cyr, Christine. (2008). "How Do You Learn a Dead Language?". Slate. Dalby, Andrew. (2003). Language in danger: The loss of linguistic diversity and the threat to our future. New York: Columbia University Press. . Dixon, R. M. W. (1997). The rise and fall of languages. Cambridge: Cambridge University Press. Dorian, Nancy C. (1973). Grammatical change in a dying dialect. Language, 49, 413–438. Dorian, Nancy C. (1978). The fate of morphological complexity in language death: Evidence from East Sutherland Gaelic. Language, 54 (3), 590–609. Dorian, Nancy C. (1981). Language death: The life cycle of a Scottish Gaelic dialect. Philadelphia: University of Pennsylvania Press. Dorian, Nancy C. (Ed.). (1989). Investigating obsolescence: