Uniono por la Linguo Internaciona (Ido)
- Official site of Ido, the international language. Site in Ido and tens of other languages.
- http://www.idolinguo.com/
Ido: The International Language - Collection of information and resources for students, speakers, and anyone interested in the language. - http://www.davidmann.us/ido/
Ido - An encyclopedia article on Ido, including sections on grammar, history and international conventions. - http://en.wikipedia.org/wiki/Ido
Idolisto - This is a e-mail list for Ido. It's a really busy list, so it's very useful for people who want to learn Ido. Writing messages to this list in other languages than Ido is strongly discouraged. - http://groups.yahoo.com/group/idolisto/