See also:

• Games: Roleplaying: World Building: Invented Languages  (5)
• World: Esperanto  (4,268)

This category in other languages:
	Catalan  (24)   Dutch  (16)   Esperanto  (5)   Finnish  (4)   German  (54)   Hungarian  (2)   Italian  (28)   Korean  (2)   Norwegian  (9)   Russian  (14)   Spanish  (38)   Swedish  (23)

• Bibliography of Planned Languages (Excluding Esperanto) - List of books on interlinguistics, Volapük, Ido, Ro, Occidental, Novial, Interlingua, Glosa, modified English and Latin, pasigraphies, number languages, and other planned languages.
• Conlang Free City - This Conlang Wiki is devoted to the topics of ConLangs and ConCultures. This is an online resource and communnity about Conlangs that you can edit.
• Conlangs DE-Cal - A class on constructing languages at the University of California Berkeley.
• Constructed Languages - An encyclopedia entry describing constructed languages, including sections on auxiliary languages, artistic languages, and logical languages.
• Constructed Languages - Links to many conlang sites as well as the author's own conlang.
• Earth Minimal Language - Complete 220 word second compact language.
• Phonetic Picture-Writing - Phonetic picture-writing can also be read phonetically. Its ideograms are composed of special letters. Authored by Leonhard Heinzmann.
• Studoj pri Interlingvistiko / Studien zur Interlinguistik - Journal article by Wim Jansen that reviews a book on language planning and language policy by Sabine Fiedler and Liu Haitao. The book is on the theoretical and applicational aspects of interlinguistics, esperantology, terminology and lexicography. [PDF]
• Universal Language Dictionary Project - An attempt to create a list of concepts, described in English, along with words to express those concepts in several natural and artificial languages.