Columbia subject headings:
Domestic relations--European Union countries.
Labor laws and legislation--European Union countries.
Social legislation--European Union countries.
Social security--Law and legislation--European Union countries.
Harvard subject headings:
Domestic relations--European Union countries.
Labor laws and legislation--European Union countries
Social legislation--European Union countries
Social security--European Union countries
Social security--Law and legislation--European Union countries
Princeton subject headings:
Social legislation--European Union countries.