IALs
languages
Esperanto
history
Zamenhof
1887
Ido
history
reformed Esperanto
1907
interlingua
history
Alexande Gode
IALA
1951
Interlingue
history
E. de Wahl
1922
called Occidental until woldwar II
Novial
history
Otto Jespersen
1928
Latino sine Flexione
Volap�k
history
Schleyer
1879
Eurisch
history
Henricus de Stalo
2000
ressources
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