PanLinx
ISO 639-2/T
art-002
nap
ISO 639-3
art-001
nap
ISO 639-2/B
art-003
nap
ISO 639-3 Reference Names
art-289
Neapolitan
ISO 639-3 Print Names
art-290
Neapolitan
ISO 639-3 Inverted Names
art-291
Neapolitan
PanLex
