Columbia subject headings:
International relations--Periodicals.
Naval art and science--Periodicals.
World politics--Periodicals.
Harvard subject headings:
International relations--Periodicals
Naval art and science--Periodicals
Periodicals
World politics--Periodicals
Princeton subject headings:
International relations--Periodicals.
Naval art and science--Periodicals.
Periodicals.
World politics--Periodicals.