Interlingua
https://en.wikipedia.org/wiki/Interlingua
Interlingua
https://ia.wikipedia.org/wiki/Interlingua
Union Mundial pro Interlingua
Interlingua
https://es.wikipedia.org/wiki/Interlingua
Lengua auxiliar
https://es.wikipedia.org/wiki/Lengua_auxiliar
International Auxiliary Language Association
https://en.wikipedia.org/wiki/International_Auxiliary_Language_Association
Constructed language
https://en.wikipedia.org/wiki/Constructed_language