Ido - Improved Esperanto
An introduction to the language, with a guide to grammar and vocabulary.
members.aol.com/idolinguo/index.html
Ido, Linguo Internaciona, Universala
Directory of sites and discussion groups about the international auxiliary language, Ido.
members.tripod.com/~avancigado
North American Ido Society
Promotes the international language Ido in the United States and Canada.
www.idolinguo.org