Columbia subject headings:
Austria--Commerce--Germany.
Germany--Commerce--Austria.
Permanent Court of International Justice. Customs unions.
Tariff--Austria.
Tariff--Germany.
Harvard subject headings:
Princeton subject headings:
Austria--Commerce--Germany.
Germany--Commerce--Austria.
Hague. Permanent court of international justice. Customs unions.
Tariff--Austria.
Tariff--Germany.