Columbia subject headings:
Harvard subject headings:
Russia--Defenses--History--Sources.
Russia. Osoboe soveshchanie po oborone gosudarstva.
World War, 1914-1918--Russia--Sources.
Princeton subject headings:
Russia--Defenses--History--Sources.
Russia. Osoboe soveshchanie po oborone gosudarstva
Soviet Union--Defenses--History--Sources.
World War, 1914-1918--Soviet Union--Sources.