The European Association of Labour Court Judges
Constitutions:

Austria
Ireland

Summaries of Labour Court Systems:

Austria (PDF)
Belgium (PDF)
Czech (PDF)

Denmark -
Introduction to the Danish Labour Court (PDF)
The Labour Court Act (PDF)

Estonia (PDF)
Finland (PDF)
France (PDF)
Germany (PDF)
Hungary (PDF) (updated)
Iceland (PDF)

Ireland -
Ireland Summary (PDF)
Ireland Employment Appeals (PDF)

Italy (PDF)
Luxembourg (PDF)
Lithuania (PDF)
Malta (PDF) (Warning 27Mb file)
Netherlands (PDF)
Norway (PDF)
United Kingdom (PDF)
Labour & Related Courts
The European Association of Labour Court Judges