Columbia subject headings:
Labor laws and legislation--Europe--Periodicals.
Labor laws and legislation--Periodicals.
Social legislation--Periodicals.
Social security--Law and legislation--Europe--Periodicals.
Social security--Law and legislation--Periodicals.
Harvard subject headings:
Princeton subject headings:
Labor laws and legislation--Europe--Periodicals.
Labor laws and legislation--Periodicals.
Periodicals.
Social legislation--Periodicals.
Social security--Law and legislation--Europe--Periodicals.
Social security--Law and legislation--Periodicals.