Columbia subject headings:
Prisoners--Legal status, laws, etc.--Germany (West)
Prisoners--Legal status, laws, etc.--Switzerland.
Wages--Germany (West)
Wages--Switzerland.
Harvard subject headings:
Prisoners--Legal status, laws, etc.--Germany (West)
Prisoners--Legal status, laws, etc.--Switzerland.
Wages--Germany (West)
Wages--Switzerland.
Princeton subject headings:
Prisoners--Legal status, laws, etc.--Germany (West)
Prisoners--Legal status, laws, etc.--Switzerland.
Wages--Germany (West)
Wages--Switzerland.