Columbia subject headings:
Economic history--Bibliography--Periodicals.
International relations--Bibliography--Periodicals.
World politics--Bibliography--Periodicals.
Harvard subject headings:
Economic history--Bibliography--Periodicals.
International relations--Bibliography--Periodicals.
World politics--Bibliography--Periodicals.
Princeton subject headings:
Economic history--Bibliography--Periodicals.
International relations--Bibliography--Periodicals.
World politics--Bibliography--Periodicals.