Columbia subject headings:
Harvard subject headings:
Collective bargaining--Germany--Congresses.
Germany--Officials and employees--Salaries, etc.--Congresses.
Labor policy--Germany--Congresses.
Wages--Government policy--Germany--Congresses.
Princeton subject headings:
Labor policy--Germany--Congresses.
Wages--Germany--Congresses.
Wages--Government policy--Germany--Congresses.