Bussmann, Hadumod. Routledge Dictionary of Language and Linguistics. London; New York: Routledge, 1996.
(DR) P29.B8713 1996
Byram, Michael. The Routledge Encyclopedia of Language Teaching and Learning. London; New York: Routledge, 2000.
(F) P51 .R66 2000
The Cambridge Encyclopedia of the World's Ancient Languages. Woodard, Roger D., ed. Cambridge; New York: Cambridge University Press, 2004.
(SC) (F) P140 .C36 2004
Collinge, N. E., ed. An Encyclopaedia of Language. London; New York: Routledge, 1990.
(F) P106.A46 1990
Crystal, David. The Cambridge Encyclopedia of the English Language. 2nd ed. New York: Cambridge University Press, 2003.
(DR) PE1072.C68 2003
Crystal, David. The Cambridge Encyclopedia of Language. 3rd ed. Cambridge ; New York: Cambridge University Press, 2010.
(F) P29 .C64 2010
Crystal, David. A Dictionary of Language. 2nd ed. Chicago: University of Chicago Press, 2001.
(F) P29.C68 2001
Dalby, Andrew. Dictionary of Languages: The Definitive Reference to More than 400 Languages. London: Bloomsbury, 1998.
(DR) P29.D342 1998
Encyclopedia of language & linguistics. 2nd ed. Brown, Keith, ed.-in-chief. 14 vols. Amsterdam; London : Elsevier, 2006.
(F) P29 .E529 2006
The Encyclopedia of Language and Linguistics. Asher, R.E., ed.-in-chief. 10 vols. Oxford: Pergamon, 1994.
(F) Oversize P29.E48 1994q
Illustrated articles, with bibliographies, on linguistics, languages and the history of the study of language.
Ethnologue: Languages of the World. Reference database profiling all of the world's known living languages.
Indo-European Etymological Dictionaries Online. Lubotsky, Alexander, ed.
Lexicon of the most important languages and language branches of Indo-European, including Latin, Greek, Slavic, Proto-Celtic, Old Frisian, Armenian, Hittite, Luvian, the Iranian verb and Proto-Nostratic (Proto-Germanic and Persian are forthcoming).
International Encyclopedia of Linguistics. Bright, William, ed.-in-chief. 4 vols. 2nd ed. New York; Oxford: Oxford University Press, 2003.
(DR) P29.I58 2003
Articles, with bibliographies, on topics in linguistics and on language families.
Malmkjaer, Kirsten, ed. The Linguistics Encyclopedia. 2nd ed. London; New York: Routledge, 2002.
(F) P29.L52 2002
Oxford English Dictionary: OED Online
Considered the most authoritative and comprehensive English language dictionary in the world. Includes information on the English language, its history, and the social, cultural, and political influences that have shaped the language through the centuries.
Proto-Indo-European Lexicon : the generative etymological dictionary of Indo-European languages.
Hosted by the University of Helsinki. "Presents digitally generated data of hundred most ancient Indo-European languages with three hundred new etymologies for Old Anatolian languages, Hitttite, Palaic, Cuneiform Luwian and Hieroglyphic Luwian, arranged under two hundred Indo-European roots."
Trask, R. L. A Dictionary of Grammatical Terms in Linguistics. London; New York: Routledge, 1993.
(F) P152.T7 1993
Covers terms from traditional grammar and the major modern theories.
Treasury of Linguistic Maps. Selection of linguistic maps published by De Gruyter.
Vachek, Josef. Dictionary of the Prague School of Linguistics. Amsterdam; Philadelphia: John Benjamin, 2003.
(F) P147 .V313 2003