Columbia subject headings:
Customs administration--Law and legislation--Romania.
Emigration and immigration--Romania.
Romania--Commercial policy.
Romania--Emigration and immigration.
Tariff--Law and legislation--United States.
Harvard subject headings:
Romania--Commercial policy.
Romania--Emigration and immigration.
Tariff--Law and legislation--United States.
Princeton subject headings:
Romania--Commercial policy.
Romania--Emigration and immigration.
Tariff--Law and legislation--United States.