Columbia subject headings:
Commercial law--Communist countries.
Communist countries--Commercial policy.
East-West trade.
Foreign trade regulation--Communist countries.
Harvard subject headings:
Commercial law--Communist countries.
Communist countries--Commercial policy.
East-West trade.
Foreign trade regulation--Communist countries.
Princeton subject headings:
Commercial law--Communist countries.
Communist countries--Commercial policy.
East-West trade.
Foreign trade regulation--Communist countries.