Columbia subject headings:
Strikes and lockouts--Civil service--Germany (West)
Strikes and lockouts--Civil service--United States.
Harvard subject headings:
Strikes and lockouts--Civil service--Law and legislation--Germany (West)
Strikes and lockouts--Civil service--Law and legislation--United States.
Princeton subject headings:
Strikes and lockouts--Civil service--Germany (West).
Strikes and lockouts--Civil service--United States.