Columbia subject headings:
Harvard subject headings:
Botanical gardens--Employees--Salaries, etc.--Germany--Berlin.
Botanischer Garten (Berlin, Germany)--Employees.
Collective bargaining--Germany--Berlin.
Collective labor agreements--Germany--Berlin.
Contracting out--Germany--Berlin.
Equal pay for equal work--Germany--Berlin.
Public contracts--Germany--Berlin.
Princeton subject headings:
Botanical gardens--Employees--Salaries, etc.--Germany--Berlin.
Botanischer Garten (Berlin, Germany)--Employees.
Collective bargaining--Germany--Berlin.
Collective labor agreements--Germany--Berlin.
Contracting out--Germany--Berlin.
Equal pay for equal work--Germany--Berlin.
Public contracts--Germany--Berlin.