Columbia subject headings:
Collective labor agreements--Government employees--United States--Digests.
Employee-management relations in government--Law and legislation--United States--Digests.
Harvard subject headings:
Collective labor agreements--Government employees--United States--Digests.
Employee-management relations in government--Law and legislation--United States--Digests.
Princeton subject headings:
Collective labor agreements--Government employees--United States--Digests.
Employee-management relations in government--Law and legislation--United States--Digests.