Ardalambion:Essays on the tongues of Arda, Tolkien's youthful invented languages, glossaries, Elvish poems by other authors, linguistic discussions, and links to further resources.
A Second Opinion on the Black Speech: Black Speech Analysis by Craig Daniel.
Alcar Endóreo: Summary of the Quenya grammar, includes examples.
Appleyard's Black Speech Document: Plain text, in depth analysis of Tolkien's samples of the language, along with examples and explanations of created words and phrases.
Appleyard's Quenya Document: Plain text examination of Quenya grammar.
Asea Aranion: Tolkien, his languages, and his books, with an English to Quenya dictionary.
Black Speech: Short encyclopedia article on Tolkien's Black Speech.
Eldalamberon: An irregularly published magazine, Parma Eldalamberon, which focuses on Tolkien's languages.
Elfling: Email list to further the scholarly study of the languages invented by JRR Tolkien and discuss the current state of research into Tolkien's languages.
Elfscript: E-mail discussion of J.R.R. Tolkien's orthographies and scripts, such as Tengwar and Cirth.
Elvish Linguistic Fellowship: An international organization devoted to the scholarly study of the invented languages of J.R.R. Tolkien.
Elvish Linguistics Mailing List: The Elfling list exists to further the scholarly study of the languages invented by JRR Tolkien.
Gwaith-i-Phethdain: Devoted to languages of Middle Earth. Grammars, dictionaries, essays and other resources, along with user submitted texts.
Hänäthlîêr: Sindarin Descendant: The language is a descendant of Sindarin and Quenya. The site has lessons, dictionary, alphabet, grammar and sounds.
I Lambë i Noldoiva Valinoressë: The Language of the Noldor in Valinor: compositions in Quenya, written by Jamie Young.
Lambë Eldaiva: The Language of the Elves contains Quenya grammar tables, glosaries, categorical wordlists, compositions, and applications.
Mellonath Daeron: The language guild of the Forodrim, the Stockholm Tolkien Society. Information about Tolkien's languages and writing systems.
Men Eldalambinen: A place in the elven tongues, created by Petri Tikka. Contains Elvish prose, poems and translations.
Minas Formen: Contains Quenya and Sindarin texts and basic dictionaries.
Nólë Parma Lambeo Areldava: Lore book of the High Elven tongue. Verses and prose translated into Quenya with notes.
Neil.Franklin.ch: Index of /Usenet/rec.arts.books.tolkien.
Quenya: A brief description of Quenya.
Quenya An Yestandor: Quenya An Yestandor is a beginner's guide to Quenya. In addition to the grammatical and usage information, it is also home to the largest Quenya dictionary currently available.
Silmerino Mar: Elvish studies and criticisms on the works of J.R.R. Tolkien.
Sindarin: A brief description of Sindarin.
Studies on the Works of J.R.R. Tolkien: Discussions of Quenya's relation to Finnish, an Elvish plural FAQ, and a Tengwar font.
Tengwar: A brief description of the Tengwar script.
Tengwar Textbook: A reference manual for writing with the Tengwar, in a Zip file.
The Languages of Tolkien: Information on the etymology of the languages used by Tolkien.
The Sindarin Dictionary Project: On-line Sindarin search engine and downloadable PDF dictionary.
Tolkien's Lord of the Rings: Style, Language and Poetry: Olga Kist disusses the influence of constructed languages on Tolkien's Lord of the Rings.
TolkLang: Usenet list on Tolkien language, with links to documents and other resources.
Tyalie Tyelellieva: A journal printing works in Elvish, and awarding an Elvish Poetry Prize.
Utuvielye Quenya: Focus on Quenya. Contains a rough translator and pronunciation guide, along with links to other resources.