|Created by||Edgar de Wahl (1922)|
|Setting and usage||International auxiliary language|
Interlingue is a constructed language. It was called Occidental between 1922 and 1947. It was created by Edgar von Wahl, one of the first Esperantists. Von Wahl was from the Russian Empire. He spoke German. He had natural ability in languages. He is often called de Wahl.
Writings on the subject
- Haas, Fritz. 1956. Grammatica de Interlingue in Interlingue. Interlingue-Servicie Winterthur (Svissia).  (in Interlingua)
- Jacob, Henry. 1947 Occidental (1922) by Edgar de Wahl en 0' A Planned Auxiliary Language Publicate: London, Dobson, London. 1947  (in English)
- Rodriguez, José María. 1999. Breve gramática de Interlinguie/Occidental en Gazeto Andaluzia (órgano oficial de la Asociación Andaluza de Esperanto) N° 57 marzo 1999.  (in Esperanto)
Interlingue Facts for Kids. Kiddle Encyclopedia.