PanLinx
ISO 639-2/T
art-002
pol
ISO 639-3
art-001
pol
ISO 639-2/B
art-003
pol
ISO 639-1
art-004
pl
ISO 639-3 Reference Names
art-289
Polish
ISO 639-3 Print Names
art-290
Polish
ISO 639-3 Inverted Names
art-291
Polish
PanLex