Columbia subject headings:
Harvard subject headings:
Europe--Foreign relations--Russia--Exhibitions.
Russia--Foreign relations--Europe--Exhibitions.
Russia--History--February Revolution, 1917--Influence--Exhibitions.
Soviet Union--History--Revolution, 1917-1921--Influence--Exhibitions.
Princeton subject headings:
Europe--Foreign relations--Russia--Exhibitions.
Russia--Foreign relations--Europe--Exhibitions.
Russia--History--February Revolution, 1917--Influence--Exhibitions.
Soviet Union--History--Revolution, 1917-1921--Influence--Exhibitions.