Columbia subject headings:
History--Periodicals.
Russia (Federation)--History--Periodicals.
Russia--History--Periodicals.
Soviet Union--History--Periodicals.
Harvard subject headings:
History--Periodicals
Russia (Federation)--History--Periodicals.
Russia--History--Periodicals.
Soviet Union--History--Periodicals.
Princeton subject headings:
History--Periodicals.
Periodicals.
Russia--History--Periodicals.
Soviet Union--History--Periodicals.