Alyssa St. James in Interlingua - Facts about Interlingua; a short grammar; tips for learning Interlingua; list of links. Also inside: a short bibliography; a history of Interlingua; and information in Spanish.
Grammar of Interlingua - A grammar of Interlingua written by Alexander Gode and Hugh Blair.
Interlingua - A description of Interlingua, including vocabulary, grammar, community and sample phrases.
Interlinguano - Web-brochure for the promotion of Interlingua.
Latino Moderne - A version of Interlingua with a more naturalistic and extensive grammar.