Columbia subject headings:
Russia--History, Military--Congresses.
Soviet Union--History, Military--Congresses.
Harvard subject headings:
Russia--History, Military--Congresses.
Russia--History--Congresses.
Soviet Union--History, Military--Congresses.
Soviet Union--History--Congresses.
Princeton subject headings:
Russia--History, Military--Congresses.
Russia--History--Congresses.
Soviet Union--History, Military--Congresses.
Soviet Union--History--Congresses.