Columbia subject headings:
Communist countries--Commerce--United States--Periodicals.
Export controls--United States--Periodicals.
Foreign trade promotion--United States--Periodicals.
United States--Commerce--Communist countries--Periodicals.
Harvard subject headings:
Communist countries--Commerce--United States--Periodicals.
Export controls--United States--Periodicals.
Foreign trade promotion--United States--Periodicals.
United States--Commerce--Communist countries--Periodicals.
Princeton subject headings:
Communist countries--Commerce--United States--Periodicals.
Export controls--United States--Periodicals.
Foreign trade promotion--United States--Periodicals.
United States--Commerce--Communist countries--Periodicals.