A Constructed Languages Library - Lists for conlangs and IALs, plus creators of the languages for searching purposes. www.geocities.com/Athens/Acropolis/9219/conlib.html
Artificial Language Lab - Language links and reference data. www.invisiblelighthouse.com/langlab
Conlang Yellow Pages by J. Shinavi - List of conlangs in alphabetical order with indication of the basis for the language. www.geocities.com/Athens/Crete/5555/conlang.htm
Constructed Human Languages - Categorized links to information about constructed languages. www.quetzal.com/conlang.html
Language Guides - Huge resource material for natural as well as constructed languages. babel.uoregon.edu/yamada/guides.html
Model Language Links - Brief notes and links on ModLangs. www.langmaker.com/mlindex.htm
Planlingvoj - Links to planned languages compiled by the Esperantist Donald J. Harlow. www.webcom.com/~donh/conlang.html
Richard Kennaway's Constructed Languages List - Notes and resource on both international auxiliary and constructed languages, a large collection of links. www.sys.uea.ac.uk/~jrk/conlang.html
Scattered Tongues - Collection of links to artificial languages and information on them. www.lingvoj.com/lingvoj.HTM