. Encyclopedia of Language and Education is an eight-volume set with each volume devoted to a topic such as applied linguistics or language theory. Each book consists of essays written by different scholars. Chapters are about 3000 words with references. The Concise Encyclopedia of Sociolinguistics contains " contains articles, including short biographical entries, providing uniquely comprehensive and authoritative coverage of all aspects of sociolinguistics. " Here are some other online Encyclopedias:Encyclopedia of Communication Theory;Encyclopedia of Cognitive Science.. The International Encyclopedia of the Social. Sciences is now online.Click here.
iLoveLanguages: Your Guide to Languages on the Web
Identifies 74 resources in linguistics.
Linguistic Resources on the Internet
Covers morphology, speech and phonetics, grammar and syntax, etc.
Yale University Library Linguistics
Useful for other gateways and online publications.
Online Periodicals, Surveys, and Newsletters
SIL Serial Publications And Journals Good for table of contents and back issues.
Other Internet Sources
Ethnologue: Languages of the World. Good for language names, families and codes.