Columbia subject headings:
European Union countries--Social policy--Congresses.
Scandinavia--Social policy--Congresses.
Social legislation--European Union countries--Congresses.
Social legislation--Scandinavia--Congresses.
Harvard subject headings:
Europe--Social policy--Congresses.
Labor laws and legislation--Scandinavia--Congresses.
Labor market--Scandinavia--Congresses.
Labor policy--Scandinavia--Congresses.
Princeton subject headings: