PanLinx
ISO 639-2/T
art-002
ido
ISO 639-3
art-001
ido
ISO 639-2/B
art-003
ido
ISO 639-1
art-004
io
ISO 639-3 Reference Names
art-289
Ido
ISO 639-3 Print Names
art-290
Ido
ISO 639-3 Inverted Names
art-291
Ido
PanLex
